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BMJ Group


Buprenorphine is a safe treatment for opioid addiction in pregnancy

A large US study found that children born to mothers who used buprenorphine for opioid addiction during pregnancy did not have a greater risk of neurodevelopmental disorders, such as ADHD and autism. Buprenorphine was associated with a slightly lower risk of developmental disorders compared to methadone.

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateApr 15, 2026

Timing exercise to match body clock chronotype may lower cardiovascular disease risk

Research suggests that exercising at a time that matches an individual's natural chronotype (morning or evening alertness) can lower cardiovascular disease risk. The study found that chronotype-aligned exercise improved blood pressure, fasting glucose, cholesterol levels, and sleep quality more effectively than mismatched timing.

SourceBMJ Group·JournalOpen Heart·TypeRandomized controlled/clinical trial·DateApr 14, 2026

Bulk of journal’s guest edited special issue content retracted

The Journal of Medical Genetics has retracted most of a 2019 guest-edited special issue due to issues with objective peer review and editorial assessment in 7 of the 8 papers. The remaining paper was found to be sound, according to an external review by a subject specialist.

SourceBMJ Group·JournalJournal of Medical Genetics·TypeCommentary/editorial·DateApr 14, 2026

Trial assesses safety and effectiveness of two new TB vaccines

Two new TB vaccines, VPM1002 and Immuvac, demonstrate safety and effectiveness in preventing progression to active TB in latent infection, particularly in children. However, they do not offer general protection against all forms of TB or prevent weight-related mortality.

SourceBMJ Group·JournalThe BMJ·TypeRandomized controlled/clinical trial·DateApr 9, 2026

Quitting tobacco could give major economic uplift to 20 million + households in India

A study estimates that quitting tobacco could give a major economic uplift to over 20 million households in India, with the greatest impact felt in rural areas and among the poorest households. The analysis suggests that these households would receive a significant boost in income, potentially moving up one or two economic classes.

SourceBMJ Group·JournalBMJ Global Health·TypeData/statistical analysis·DateApr 9, 2026

Doubt cast on effectiveness of widely used ‘KT-tape’ for joint/muscle pain + mobility

Research suggests that Kinesio taping (KT tape) may reduce pain intensity in the immediate and short term, but evidence for long-term benefits and its use in various musculoskeletal conditions is inconclusive. The majority of systematic reviews found inconsistent findings, and potential skin irritation remains a concern.

SourceBMJ Group·JournalEvidence-Based Medicine·TypeSystematic review·DateMar 31, 2026

Genetic variants involved in rapid immune response linked to earlier breast cancer onset in BRCA1 carriers

Researchers have identified a link between genetic variants involved in innate immunity and earlier breast cancer onset in BRCA1 carriers. The study found that mutations in genes involved in natural killer cell activation were strongly associated with an increased risk, suggesting the need for more refined risk prediction models.

SourceBMJ Group·JournalJournal of Medical Genetics·TypeObservational study·DateMar 31, 2026

The more siblings you have the easier it may be to cope with parental death in midlife

Research suggests that individuals with more siblings may experience lower rates of mental health medication purchases after a parental death, particularly among women. The study analyzed data from Finland and found that those with fewer siblings were more likely to purchase psychotropic medications in the year before and after their m...

SourceBMJ Group·JournalJournal of Epidemiology and Community Health·TypeObservational study·DateMar 31, 2026

AI assisted tool linked to improved stroke care and outcomes

A clinical decision support system using AI-assisted imaging analysis and evidence-based treatment recommendations showed better quality care and long-term outcomes for patients with acute ischemic stroke. The tool reduced new vascular events by 26% at three months and maintained the reduction at 12 months.

SourceBMJ Group·JournalThe BMJ·TypeRandomized controlled/clinical trial·DateMar 20, 2026

GLP-1 diabetes drugs linked to reduced risk of addiction and substance-related death

A large US study published in The BMJ found that GLP-1 receptor agonists used to treat type 2 diabetes and obesity may also help lower the risk of addiction to various substances. The study associated GLP-1 receptor agonists with reduced risks of adverse outcomes such as overdoses and drug-related emergency department visits and deaths...

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateMar 4, 2026

Around 6 deaths a year linked to clubbing in the UK

A 15-year retrospective study found that physical assault and excessive MDMA use are primary causes of nightclub deaths in the UK. The study reveals a significant number of young women are at higher risk of dying from drug-related causes.

SourceBMJ Group·JournalEmergency Medicine Journal·TypeObservational study·DateMar 3, 2026

Pre-pregnancy parental overweight/obesity linked to next generation’s heightened fatty liver disease risk

Research published in the journal Gut found that pre-pregnancy parental overweight and obesity are independently associated with increased odds of developing metabolic dysfunction associated steatotic liver disease (MASLD) in children by age 24. Cumulative excess weight in childhood significantly influences this risk, with children who...

SourceBMJ Group·JournalGut·TypeObservational study·DateFeb 24, 2026

Menopausal hormone therapy not linked to increased risk of death

A large Danish study found that menopausal hormone therapy is not associated with an increased risk of death in women with moderate to severe symptoms and no contraindications. The study also showed a significant survival benefit for women who had undergone bilateral oophorectomy after using hormone therapy.

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateFeb 18, 2026

Physical fitness of transgender and cisgender women is comparable, current evidence suggests

A pooled data analysis of 52 studies involving 6485 people found that transgender women have similar upper and lower body strength, cardiorespiratory fitness, and muscle mass compared to cisgender women. However, their physical fitness is comparable despite greater muscle mass 1-3 years after hormone therapy.

SourceBMJ Group·JournalBritish Journal of Sports Medicine·TypeSystematic review·DateFeb 3, 2026

Air ambulance pre-hospital care may make surviving critical injury more likely

A study analyzing 3225 trauma patients in South East England found that air ambulance pre-hospital care significantly improved survival rates, with 2125 patients exceeding 30-day survival. Those most likely to benefit were severely injured patients with moderate probability of survival, who unexpectedly survived for 30 days.

SourceBMJ Group·JournalEmergency Medicine Journal·TypeData/statistical analysis·DateFeb 3, 2026

Natural ovulation as effective as hormones before IVF embryo transfer

A clinical trial found that natural ovulation before frozen embryo transfer is as effective as hormone treatment in achieving a healthy baby by IVF, with a lower risk of maternal complications. The study involved 4,376 ovulatory women and showed similar outcomes for birth weight and newborn complications.

SourceBMJ Group·JournalThe BMJ·TypeRandomized controlled/clinical trial·DateJan 21, 2026

Long term use of anti-acid drugs may not increase stomach cancer risk

Researchers found no association between long term use of proton pump inhibitors and increased risk of stomach cancer. The study, which analyzed data from five Nordic countries over 26 years, suggests that patients needing long term proton pump inhibitor therapy may not need to worry about a higher risk of stomach cancer.

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateJan 21, 2026