Tuesday, 27 October 2026
Tuesday, 27 October 2026
- In brief
- 1England's senior hospital doctors will strike on 25 and 26 November and cover only emergencies, as their union says pay has fallen by a quarter
- 2Newry's births likely to move to Craigavon
- 3Medicare may stop paying outside home-check firms
- 4More women in ban states don't know where to go
- 5Electric stoves eased asthma in Cleveland
- 6Bowel cancer is rising, rarely, in children
- 7Schizophrenia medicines linked to fewer deaths
- 8A lifelong plan for women's hearts
- 9Long COVID tied to high blood pressure
- 10AI helped X-ray staff only a little
- 11A body-clock type of depression
- 12A third of young adults ask chatbots about drugs
- 13A program reads breast cancer risk
- 14Dengue settles in Brazil's cool south
- 15Heavy cannabis use and night-time breathing
- 16Testosterone and bone after menopause
- 17India's caste gap in tobacco narrows
- 18Fear of tiny holes is mostly disgust
- 19Mental activities and older minds in China
27 Oct · Mind & body · In brief
Mind & body · Tuesday, 27 October 2026
Mind & body, in brief
19 stories · 26 sources
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What is moving · 1 of 4
Too few senior doctors
England's consultants will cover only emergencies on 25 and 26 November.
What is moving · 2 of 4
Rules on who may give care
Medicare, the US health plan for over-65s, plans to pay for home health checks only when the doctor's own clinic does them.
What is moving · 3 of 4
Machines joining the check
In Singapore, radiographers screening X-rays with an AI program were right 98.0% of the time, against 97.6% alone.
What is moving · 4 of 4
Women's health catching up
Four US medical groups set out heart care for four stages of a woman's life, noting US trials have had to include women only since 1993.
Part of the day's signal
One pressure seen across the day runs through Mind & body too.
19 stories
- 1England's senior hospital doctors will strike on 25 and 26 November and cover only emergencies, as their union says pay has fallen by a quarter
- 2Newry's births likely to move to Craigavon
- 3Medicare may stop paying outside home-check firms
- 4More women in ban states don't know where to go
- 5Electric stoves eased asthma in Cleveland
10 sources
Mind & body, in brief
- 1Consultant doctors in England to strike next month
- 6NI health: Hospital doctors to strike as pay dispute continues
- 8'What does it say if a woman can't give birth in her own city?'
- 9Many Medicare Patients Could Lose Access to Remote Monitoring Devices
- 10Survey: More Than Half of Women in States with Abortion Bans Wouldn't Know Where to Get an Abortion if They Needed One, Up Since 2024
- 14The 4 stages of women's heart health: New framework for doctors and patients
- 16Radiographer fracture detection with and without AI assistance in prospective emergency department use
- 18One in three young adults use AI chatbots for drug and alcohol information, study finds
- 19BREST-AI: Three-year breast cancer risk prediction from screening mammograms
- 22Testosterone May Have an Unexpected Benefit For Women's Bones After Menopause
England's senior hospital doctors will strike on 25 and 26 November and cover only emergencies, as their union says pay has fallen by a quarter
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Consultants in England will strike for two days from 06:59 GMT on 25 November, the British Medical Association (BMA), the doctors' union, said on Monday.
Who is involved
Helen Neary and Shanu Datta
the doctors who chair the BMA's consultants committee; they announced the dates
Who is involved
Yvette Cooper
England's health secretary; she called the strike irresponsible
Why it matters
The strike is four weeks away and the union's mandate lasts a year from July, so the next test is whether talks with the Department of Health produce a better offer than 2.4% before 25 November.
What's really going on
On 25 and 26 November England's consultants will cover only emergencies, so planned operations and clinics that need a consultant will be put off for patients already waiting.
What's really going on
Britain's government and the doctors' union are fighting over money: the union says pay is a quarter down since 2009-10, and a source at England's Department of Health puts the shorter week it wants at over 2 billion pounds.
Why it works on people
Each side leads with one number: the UK government with average pay of 152,000 pounds, the union with pay a quarter down since 2009-10.
Who gains
The UK government's budget, for now
Holding consultants to a 2.4% offer keeps a shorter week, which a Department of Health source costs at over 2 billion pounds, off the bill.
Who pays
Patients in England booked for planned care on 25 and 26 November
Their operations, clinics and follow-ups will be put off while more than 6 million people already wait.
Nobody knows yet
How many operations and appointments the two days will cancel.
No hospital or NHS body has put a number on it yet; NHS leaders say only that planned operations, clinics and follow-ups will be postponed.
Nobody knows yet
How much shorter a week the consultants want.
The BBC reports a cut from 40 to 35 hours, the Guardian says a 10% cut, and in July the Guardian reported 37.5 hours.
Nobody knows yet
Whether talks can stop the strike.
The union says 18 months of talks produced no agreement, while the health secretary says discussions were constructive.
Part of a signal
Jobs cut and pay fought over
Seen in 3 of the 12 beats
Also seen in Gaming and Tech.
Studios cut staff once a big game is finished, and the Dutch government plans fewer jobs as it sets goals for AI.
The whole signal →The short version
That's the story in short.
The whole story has 14 more parts.
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The whole story, in 14 parts ↓
Part 1 of 14 · Who else is involved
Ciaran Devane
head of the NHS Alliance, which speaks for health service leaders; he said they were astonished and dismayed
Part 1 of 14 · Who else is involved
Andy Burnham
the UK prime minister, who must find the money in tight public finances
Part 2 of 14 · How it unfolded
Mar 2026
After a 3.5% award, the BMA says it will ballot consultants and other senior doctors
Jul 2026
Consultants vote for strikes; the mandate lasts a year
Part 2 of 14 · How it unfolded
Jul 2026
Consultants vote for strikes; the mandate lasts a year
25-26 Nov
Consultants give emergency cover only, on dates named on 26 October
Part 3 of 14
Consultants are the most senior doctors in a hospital.
Part 3 of 14
On strike days they will cover emergencies only, the way hospitals run on Christmas Day.
Part 4 of 14
NHS leaders say non-urgent outpatient appointments, planned operations and follow-up visits will be postponed.
Part 5 of 14
The BMA says consultants' pay has fallen by a quarter since 2009-10 once rising prices are counted.
Part 5 of 14
It also wants their working week cut from 40 to 35 hours, the BBC reports.
Part 6 of 14
Consultants got a 3.5% pay rise this year.
Part 6 of 14
The union called last week's offer of 2.4% for next year the last straw.
Part 7 of 14
In the July ballot 76% of those who voted said yes, on a turnout of 51.5%, just above the 50% the law requires.
Part 8 of 14
Only 18,069 of the BMA's 35,067 consultant members voted, and England has 66,759 consultants in all.
Part 8 of 14
The UK government says that means about one in five NHS consultants voted to strike.
Part 9 of 14
Consultants earn an average of 152,000 pounds a year, counting overtime and awards.
Part 9 of 14
Basic pay runs from 113,500 to 150,500 pounds.
Part 10 of 14
Health secretary Yvette Cooper called the strike irresponsible.
Part 10 of 14
A source at England's Department of Health said the shorter week the union wants would cost taxpayers over 2 billion pounds.
Part 11 of 14
More than 6 million patients are waiting for more than 7 million treatments in England, says the NHS Alliance, which speaks for health service leaders.
Part 12 of 14
Consultants last struck in 2023, for nine days.
Part 12 of 14
Resident doctors, the doctors still in training, ended more than three years of strikes with a deal in June.
Part 13 of 14
When resident doctors struck for five days last December, thousands of planned and outpatient appointments were cancelled because senior doctors were moved to cover emergencies.
Part 14 of 14
On some past strike days hospitals ran faster: with consultants at the front door, decisions came quickly and fewer patients were admitted, trust leaders told the BBC.
5 sources
England's senior hospital doctors will strike on 25 and 26 November and cover only emergencies, as their union says pay has fallen by a quarter
- 1Consultant doctors in England to strike next month
- 2NHS consultants to go on two-day strike in England in November
- 3Consultant doctors in England vote for NHS strikes over pay and working week
- 4Why hospitals can run more smoothly on strike days (but it's no long-term solution)
- 7Doctors return to work in England after five-day strike
The full story
England's senior hospital doctors will strike on 25 and 26 November and cover only emergencies, as their union says pay has fallen by a quarter
Consultants in England will strike for two days from 06:59 GMT on 25 November, the British Medical Association (BMA), the doctors' union, said on Monday.
Consultants are the most senior doctors in a hospital. On strike days they will cover emergencies only, the way hospitals run on Christmas Day.
NHS leaders say non-urgent outpatient appointments, planned operations and follow-up visits will be postponed.
The BMA says consultants' pay has fallen by a quarter since 2009-10 once rising prices are counted.
Consultants got a 3.5% pay rise this year.
In the July ballot 76% of those who voted said yes, on a turnout of 51.5%, just above the 50% the law requires.
Only 18,069 of the BMA's 35,067 consultant members voted, and England has 66,759 consultants in all.
Consultants earn an average of 152,000 pounds a year, counting overtime and awards.
Health secretary Yvette Cooper called the strike irresponsible.
More than 6 million patients are waiting for more than 7 million treatments in England, says the NHS Alliance, which speaks for health service leaders.
Consultants last struck in 2023, for nine days.
When resident doctors struck for five days last December, thousands of planned and outpatient appointments were cancelled because senior doctors were moved to cover emergencies.
On some past strike days hospitals ran faster: with consultants at the front door, decisions came quickly and fewer patients were admitted, trust leaders told the BBC.
Why it matters. The strike is four weeks away and the union's mandate lasts a year from July, so the next test is whether talks with the Department of Health produce a better offer than 2.4% before 25 November.
Newry's births likely to move to Craigavon
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The Southern Health Trust in Northern Ireland plans to move births and inpatient maternity care from Daisy Hill Hospital in Newry to Craigavon Area Hospital from 23 November.
Its chief executive, Steve Spoerry, told the Stormont health committee the move is highly probable.
The trust has five empty consultant obstetrician posts and cannot staff day and night rotas at both hospitals.
Why it matters
Families in Kilkeel would add about an hour to the trip.
Why it matters
One Newry mother in premature labour was sent to the Ulster Hospital instead, because Craigavon had no room that night.
How it works
Why care stops when the only people allowed to give it are not there
How it works
Some care may be given only by one kind of trained worker, so when those workers strike, leave posts empty or go unpaid, that care stops.
How it works · step 1 of 5
Some care may be given only by one kind of trained worker
How it works · step 2 of 5
Planned operations need a consultant; hard births need a consultant obstetrician on call
How it works · step 3 of 5
So that care happens only where and when those workers are on duty
How it works · step 4 of 5
When they strike, the posts stay empty or nobody pays for the work, the care stops or moves
How it works · step 5 of 5
Other staff in the building cannot step in, even when they are there
The twist
A hospital can have its theatres, nurses and junior doctors ready and still cancel an operation, because the rules need one senior doctor who is not there.
The picture
At Daisy Hill in Newry, five empty senior-doctor posts mean about 1,400 births a year are set to move to Craigavon, though Daisy Hill is short of less than one full-time midwife.
Seen the same day
The trust cannot fill five consultant obstetrician posts, so births are set to leave Daisy Hill from 23 November, though it is short of less than one full-time midwife.
Seen the same day
Medicare would pay only when staff at the doctor's own clinic do the monitoring, so rural clinics that hire outside nurses could lose the service.
Seen the same day
A hospital let radiographers, not only specialist doctors, give the first reading of X-rays, and checked the results, which is how a task is safely opened to a second kind of worker.
Seen the same day
Doctors in those states may not provide abortions, so much of the care moved to online prescribing and pills by post, and only 8% of women there know the pills can reach them.
The catch
These rules exist because the trained worker makes the care safer, so handing the job to others helps only where the results are checked, as the Singapore study did.
The whole
A patient booked for an operation on 25 November, a mother in Kilkeel and a nurse's patient in rural Georgia each depend on who is allowed to do one piece of work.
The whole
None of them sees the rota or the payment rule that decides it; each sees only a new date, a longer drive or a call that stops coming.
Who pays
Families around Newry and Kilkeel
If births move to Craigavon, a family in Kilkeel would add about an hour to the trip in labour.
Nobody knows yet
Whether Craigavon has room for about 1,400 more births a year.
The trust has not said how it will manage them, and a Newry mother was turned away from Craigavon for lack of room.
Good news
The trust that runs Daisy Hill and Craigavon hospitals in Northern Ireland has 16 newly hired midwives due to start between November and January.
1 source
Newry's births likely to move to Craigavon
The full story
Newry's births likely to move to Craigavon
The Southern Health Trust in Northern Ireland plans to move births and inpatient maternity care from Daisy Hill Hospital in Newry to Craigavon Area Hospital from 23 November.
Why it matters. Families in Kilkeel would add about an hour to the trip.
Medicare may stop paying outside home-check firms
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Medicare, the US government health plan for people over 65, has proposed paying for remote monitoring only when someone at the doctor's own clinic does it.
Remote monitoring means devices such as blood-pressure cuffs send readings to a care team, and nurses call when numbers go wrong.
The plan follows reports by government auditors in 2024 and 2025 that raised fraud concerns.
Why it matters
Caroline Pearson of the Peterson Center on Healthcare says rural patients would be hit hardest, because rural clinics rarely run their own programmes.
Why it matters
Humana, the Blue Cross Blue Shield Association and Sutter Health, which runs its own programme, largely back the change.
How it works
Medicare would pay only when staff at the doctor's own clinic do the monitoring, so rural clinics that hire outside nurses could lose the service.
The idea, in story 2: Why care stops when the only people allowed to give it are not there →Who gains
Big health systems that run their own home monitoring
Medicare would pay only for in-house staff, which Sutter Health already has; Sutter, Humana and the Blue Cross Blue Shield Association largely back the change.
Who pays
Rural Medicare patients such as Dianne Williams in Georgia
Her clinic says it could not offer home monitoring without an outside company, which the rule would stop paying.
Nobody knows yet
Whether Medicare will finalise its rule on home health checks.
The rule is only proposed, and more than 230 groups signed a letter against it.
1 source
Medicare may stop paying outside home-check firms
The full story
Medicare may stop paying outside home-check firms
Medicare, the US government health plan for people over 65, has proposed paying for remote monitoring only when someone at the doctor's own clinic does it.
Why it matters. Caroline Pearson of the Peterson Center on Healthcare says rural patients would be hit hardest, because rural clinics rarely run their own programmes.
More women in ban states don't know where to go
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53% of women aged 18 to 49 in US states that ban abortion say they would not know where to get one if they needed it, up from 43% in 2024.
That is from a survey by KFF, a US health research group, of 3,538 women this spring.
Abortion pills can now be prescribed online and posted even into ban states, but only 8% of women there know this.
Why it matters
12% of women now know someone who struggled to get an abortion because of state rules, up from 8%.
How it works
Doctors in those states may not provide abortions, so much of the care moved to online prescribing and pills by post, and only 8% of women there know the pills can reach them.
The idea, in story 2: Why care stops when the only people allowed to give it are not there →Who gains
Online abortion providers posting pills into ban states
Pills prescribed online now reach women in states with bans, which is how much of the care moved.
Who pays
Women in US ban states who do not know where to go
53% say they would not know where to get an abortion, up from 43% in 2024.
1 source
More women in ban states don't know where to go
The full story
More women in ban states don't know where to go
53% of women aged 18 to 49 in US states that ban abortion say they would not know where to get one if they needed it, up from 43% in 2024.
Why it matters. 12% of women now know someone who struggled to get an abortion because of state rules, up from 8%.
Electric stoves eased asthma in Cleveland
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Adults with poorly controlled asthma in Cleveland, Ohio, reported far fewer symptoms a few months after their gas stoves were swapped for electric ones.
A gas flame gives off nitrogen dioxide, a gas that can set off asthma.
The 85 people reported gains two to three times as large as asthma medicines usually bring, Science News reports.
The work was led by Ashwini Sehgal of Case Western Reserve University.
Why it matters
The project was meant to follow 1,200 homes for a year, until the Trump administration ended its government grant early.
Why it matters
With no comparison group, the next step is a trial where some homes wait six months for their stove.
Who gains
The 85 Cleveland adults with asthma who got electric stoves
Taking the gas flame out of the kitchen removed a source of nitrogen dioxide, and they reported far fewer asthma symptoms.
Who pays
Cleveland households left out of the stove project
The project planned to follow 1,200 homes and reached 85 people after the US government grant was ended early.
Nobody knows yet
Whether the electric stoves caused the asthma gains.
There was no comparison group, and the planned 1,200 homes shrank to 85 when the grant ended.
Good news
In Cleveland, 85 adults with hard-to-control asthma had their gas stoves swapped for electric ones, and a few months later they reported symptom gains two to three times as large as asthma medicines usually bring. They also reported fewer emergency visits and fewer days off work or school.
1 source
Electric stoves eased asthma in Cleveland
The full story
Electric stoves eased asthma in Cleveland
Adults with poorly controlled asthma in Cleveland, Ohio, reported far fewer symptoms a few months after their gas stoves were swapped for electric ones.
Why it matters. The project was meant to follow 1,200 homes for a year, until the Trump administration ended its government grant early.
Bowel cancer is rising, rarely, in children
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Colon and rectal cancer is being found more often in US children and teenagers, though it is still very rare.
Among 10- to 14-year-olds the rate went from 1 in a million in 1999 to 6 in a million in 2020, an analysis of US health agency data found.
Researchers at Nationwide Children's Hospital in Ohio studied 84 patients aged 21 or under.
Eight in ten were found after the cancer had spread, against six in ten across all ages.
Why it matters
75% of them had back or belly pain first, a symptom that usually has a commoner cause.
Why it matters
Nobody knows yet why the rate is rising; gut bacteria, processed food and childhood antibiotics are being studied.
Nobody knows yet
Why bowel cancer is rising in young people.
Researchers suspect changes in gut bacteria, processed food and antibiotics, but no cause has been shown.
1 source
Bowel cancer is rising, rarely, in children
The full story
Bowel cancer is rising, rarely, in children
Colon and rectal cancer is being found more often in US children and teenagers, though it is still very rare.
Why it matters. 75% of them had back or belly pain first, a symptom that usually has a commoner cause.
Schizophrenia medicines linked to fewer deaths
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People with schizophrenia who took antipsychotic medicines died at about two-thirds the rate of those who did not, a review of 68 studies covering 1.42 million people finds.
Schizophrenia is a serious mental illness that can bring hallucinations and false beliefs, and antipsychotics are the main medicines for it.
The same review linked them to more cancer, 41% higher, more broken bones, 35% higher, and more lung infections.
Why it matters
The studies watched patients rather than testing the medicines against a dummy pill, so they show links, not proof.
Why it matters
The authors, writing in Molecular Psychiatry, say several estimates rest on only a few studies.
1 source
Schizophrenia medicines linked to fewer deaths
The full story
Schizophrenia medicines linked to fewer deaths
People with schizophrenia who took antipsychotic medicines died at about two-thirds the rate of those who did not, a review of 68 studies covering 1.42 million people finds.
Why it matters. The studies watched patients rather than testing the medicines against a dummy pill, so they show links, not proof.
A lifelong plan for women's hearts
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Four US medical groups, including the American Heart Association and the American College of Obstetricians and Gynecologists, published guidance on Monday for women's heart care across life.
It is built around four stages: periods, pregnancy, perimenopause and menopause.
Heart disease is the leading cause of death in women, and US trials have had to include women only since 1993.
The guidance names perimenopause, roughly age 45 to 51, as the stage when changes in cholesterol can be early signs of heart risk.
Why it matters
Sadiya Khan of Northwestern University, who led the writing, says women see many different doctors with no shared plan.
Why it matters
The guidance asks each one to carry warnings forward, such as high blood pressure in pregnancy.
1 source
A lifelong plan for women's hearts
The full story
A lifelong plan for women's hearts
Four US medical groups, including the American Heart Association and the American College of Obstetricians and Gynecologists, published guidance on Monday for women's heart care across life.
Why it matters. Sadiya Khan of Northwestern University, who led the writing, says women see many different doctors with no shared plan.
Long COVID tied to high blood pressure
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Adults in Stockholm with long COVID were 14% more likely to develop high blood pressure than others, a study of more than 1.2 million people aged 18 to 65 finds.
Long COVID means symptoms that last for months after the infection.
Anyone who already had high blood pressure was left out.
Why it matters
High blood pressure is one of the main heart risks that can be changed, the researchers write.
Why it matters
The study used health records only, so it could not measure blood pressure or show what causes the link.
1 source
Long COVID tied to high blood pressure
The full story
Long COVID tied to high blood pressure
Adults in Stockholm with long COVID were 14% more likely to develop high blood pressure than others, a study of more than 1.2 million people aged 18 to 65 finds.
Why it matters. High blood pressure is one of the main heart risks that can be changed, the researchers write.
AI helped X-ray staff only a little
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In one emergency department in Singapore, 13 radiographers screened 2,496 X-rays for broken bones over three months, first alone and then with an AI program.
Radiographers are the staff who take X-rays; here they also gave the first reading.
The AI on its own found 75.6% of fractures, against 91.6% for the radiographers.
Why it matters
With the AI they fixed 11 mistakes and made one new one.
Why it matters
The program gave no answer on 8.8% of scans, which the authors in npj Digital Medicine say mattered as much as accuracy.
How it works
A hospital let radiographers, not only specialist doctors, give the first reading of X-rays, and checked the results, which is how a task is safely opened to a second kind of worker.
The idea, in story 2: Why care stops when the only people allowed to give it are not there →Good news
In Singapore, radiographers screening X-rays with help from an AI program fixed 11 of their own mistakes and made only one new one.
1 source
AI helped X-ray staff only a little
The full story
AI helped X-ray staff only a little
In one emergency department in Singapore, 13 radiographers screened 2,496 X-rays for broken bones over three months, first alone and then with an AI program.
Why it matters. With the AI they fixed 11 mistakes and made one new one.
A body-clock type of depression
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About 23% of 11,380 Australians with depression fit a proposed type called circadian depression, a study finds.
Circadian means tied to the body clock, the roughly 24-hour timer that sets when we sleep and wake.
People in this group tended to be night owls, slept longer when depressed and felt tired in the mornings.
They reported less benefit and more side effects from two common kinds of antidepressant.
Why it matters
People recalled their own symptoms and no one's clock was measured, so it is not yet clear this is a separate type.
1 source
A body-clock type of depression
The full story
A body-clock type of depression
About 23% of 11,380 Australians with depression fit a proposed type called circadian depression, a study finds.
Why it matters. People recalled their own symptoms and no one's clock was measured, so it is not yet clear this is a separate type.
A third of young adults ask chatbots about drugs
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32% of 995 US adults aged 18 to 29 have used AI chatbots such as ChatGPT to look up drugs or alcohol, a study in JMIR Formative Research finds.
Nearly half of them did so at least once a month.
They rated the chatbots 3.66 out of five for trust.
Why it matters
Nobody yet knows how accurate the answers are, which the authors say is their next question.
Why it matters
Mireia Triguero Roura of Rutgers University, the lead author, warns that wrong answers could lead to risky use.
Nobody knows yet
How accurate chatbots' answers about drugs and alcohol are.
The study counted who asks, not whether the answers were right; the authors say that is the next question.
1 source
A third of young adults ask chatbots about drugs
The full story
A third of young adults ask chatbots about drugs
32% of 995 US adults aged 18 to 29 have used AI chatbots such as ChatGPT to look up drugs or alcohol, a study in JMIR Formative Research finds.
Why it matters. Nobody yet knows how accurate the answers are, which the authors say is their next question.
A program reads breast cancer risk
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A computer program called BREST-AI predicts a woman's chance of breast cancer in the next three years from a mammogram that showed no cancer, researchers report in npj Breast Cancer.
A mammogram is an X-ray of the breast.
In a UK test it scored 0.751 on a scale where 0.5 is a coin toss and 1 is perfect, beating an older tool, Mirai, at 0.700.
Why it matters
A risk score like this is what screening would need to call some women back more often than others.
Why it matters
In a smaller US test the gain over Mirai was not clear.
1 source
A program reads breast cancer risk
The full story
A program reads breast cancer risk
A computer program called BREST-AI predicts a woman's chance of breast cancer in the next three years from a mammogram that showed no cancer, researchers report in npj Breast Cancer.
Why it matters. A risk score like this is what screening would need to call some women back more often than others.
Dengue settles in Brazil's cool south
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Dengue, a virus spread by the Aedes aegypti mosquito, has taken hold in Rio Grande do Sul, Brazil's southernmost state, which has a temperate climate, a study in Nature Communications finds.
The mosquito spread across the state's towns from 2015 to 2023.
Brazil had 70% of the world's reported dengue cases in 2024.
Why it matters
Most people in the state have never had dengue, so few have any protection from an earlier infection.
Why it matters
The authors call for more mosquito control and watching in newly hit areas.
1 source
Dengue settles in Brazil's cool south
The full story
Dengue settles in Brazil's cool south
Dengue, a virus spread by the Aedes aegypti mosquito, has taken hold in Rio Grande do Sul, Brazil's southernmost state, which has a temperate climate, a study in Nature Communications finds.
Why it matters. Most people in the state have never had dengue, so few have any protection from an earlier infection.
Heavy cannabis use and night-time breathing
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US adults who use cannabis on 16 or more days a month report loud snoring or stopped breathing in sleep more often than non-users, 55.2% against 44.3%, a study in Sleep Health finds.
These are signs of sleep apnoea, when the throat closes during sleep.
Trouble sleeping is one of the main reasons people give for using cannabis.
Why it matters
People were asked what others had seen, not tested, so the study shows a link, not a cause.
Why it matters
The American Academy of Sleep Medicine already advises against cannabis for sleep apnoea.
1 source
Heavy cannabis use and night-time breathing
The full story
Heavy cannabis use and night-time breathing
US adults who use cannabis on 16 or more days a month report loud snoring or stopped breathing in sleep more often than non-users, 55.2% against 44.3%, a study in Sleep Health finds.
Why it matters. People were asked what others had seen, not tested, so the study shows a link, not a cause.
Testosterone and bone after menopause
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Adding testosterone to hormone therapy after menopause raised bone density in the lower spine, while oestrogen alone only held it steady, a small study of 51 women finds.
Each woman tried both treatments for at least a year.
It has not yet been checked by other scientists in a journal.
Why it matters
Denser bone is not the same as fewer broken bones, and the study did not count fractures.
Nobody knows yet
Whether testosterone added to hormone therapy prevents broken bones.
The 51-woman study measured bone density, not fractures, and has not yet been published in a journal.
1 source
Testosterone and bone after menopause
The full story
Testosterone and bone after menopause
Adding testosterone to hormone therapy after menopause raised bone density in the lower spine, while oestrogen alone only held it steady, a small study of 51 women finds.
Why it matters. Denser bone is not the same as fewer broken bones, and the study did not count fractures.
India's caste gap in tobacco narrows
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Men from India's Scheduled Castes and Scheduled Tribes, groups long held down by the caste system, use more tobacco than upper-caste men, a study in Scientific Reports finds.
It used three national health surveys, from 2005-06 to 2019-21.
Household wealth, schooling, type of work and reading newspapers explained much of it.
Why it matters
The authors call for help aimed at poorer communities, health teaching in their own culture and support to quit.
Good news
The gap in tobacco use between upper-caste men and men from India's Scheduled Castes and Tribes narrowed considerably between 2005 and 2021.
1 source
India's caste gap in tobacco narrows
The full story
India's caste gap in tobacco narrows
Men from India's Scheduled Castes and Scheduled Tribes, groups long held down by the caste system, use more tobacco than upper-caste men, a study in Scientific Reports finds.
Why it matters. The authors call for help aimed at poorer communities, health teaching in their own culture and support to quit.
Fear of tiny holes is mostly disgust
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Trypophobia, a strong dislike of clusters of small holes such as a lotus seed pod, is driven mainly by disgust rather than fear, a 2026 review concludes.
Geoff Cole of the University of Essex first suggested in 2013 that it was a fear of venomous animals.
After looking at the experiments since, he now favours a defence against disease, since hole clusters can look like skin sores or parasites.
Why it matters
In one test pupils narrowed at hole images, which goes with disgust, while fear widens them.
Why it matters
By some estimates about one in six people have it, and for some it brings panic attacks.
1 source
Fear of tiny holes is mostly disgust
The full story
Fear of tiny holes is mostly disgust
Trypophobia, a strong dislike of clusters of small holes such as a lotus seed pod, is driven mainly by disgust rather than fear, a 2026 review concludes.
Why it matters. In one test pupils narrowed at hole images, which goes with disgust, while fear widens them.
Mental activities and older minds in China
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Older adults in China who did more kinds of mental activity kept their thinking better than expected for their age and schooling, a study in npj Aging finds.
It followed 3,293 adults aged 60 and over from 2011 to 2020.
The social link showed in men but not in women, though more women took part.
Why it matters
The study watched people rather than testing activities, so it shows a link.
1 source
Mental activities and older minds in China
The full story
Mental activities and older minds in China
Older adults in China who did more kinds of mental activity kept their thinking better than expected for their age and schooling, a study in npj Aging finds.
Why it matters. The study watched people rather than testing activities, so it shows a link.
That's the whole Mind & body day.
19 stories, 26 sources.