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BMJ Group


Small amounts of incidental vigorous physical exertion may almost halve major cardiovascular events risk in women

Research published in the British Journal of Sports Medicine found that just 1.5-4 daily minutes of high-intensity routine activities like brisk stair climbing or carrying heavy shopping can significantly lower cardiovascular disease risk among women who don't exercise regularly. The study, which tracked over 81,000 middle-aged men and...

SourceBMJ Group·JournalBritish Journal of Sports Medicine·TypeObservational study·DateDec 3, 2024

Irregular sleep-wake cycle linked to heightened risk of major cardiovascular events

Research published in the Journal of Epidemiology & Community Health found that irregular sleep-wake cycles are associated with a heightened risk of major cardiovascular events. People with regular sleep patterns were 26% less likely to experience these events than those with irregular patterns, even if they met recommended sleep quotas.

SourceBMJ Group·JournalJournal of Epidemiology and Community Health·TypeObservational study·DateNov 26, 2024

High cardiorespiratory fitness linked to lower risk of dementia

A study of 61,214 dementia-free individuals found that high cardiorespiratory fitness was associated with better cognitive performance and a lower risk of dementia. The findings suggest that enhancing cardiorespiratory fitness could be a strategy for preventing dementia in people with a genetic predisposition.

SourceBMJ Group·JournalBritish Journal of Sports Medicine·TypeObservational study·DateNov 19, 2024

More green space linked to fewer preventable deaths in most deprived areas of UK

Research suggests that a 1% increase in green space in deprived urban areas could lead to 40% fewer preventable deaths. The study found that access to green space is poorest in the most deprived areas, with significant associations between green space and preventable deaths in England, Scotland, and Northern Ireland.

SourceBMJ Group·JournalJournal of Epidemiology and Community Health·TypeObservational study·DateNov 12, 2024

Specific long term condition combinations have major role in NHS ‘winter pressures’

Research finds that certain combinations of long term conditions increase hospital admission risk by up to 11 times and death risk by up to 24 times. The study analyzed data from 2021-22 and identified specific quartets that are associated with heightened risks, highlighting the need for targeted planning and resource allocation.

SourceBMJ Group·JournalBMJ Medicine·TypeObservational study·DateNov 12, 2024

Exercise programs help cut new mums’ ‘baby blues’ severity and major depression risk

A pooled data analysis of 35 studies found that exercise-only interventions reduced the severity of depression and anxiety after giving birth, with a significant reduction in postpartum depression risk. The minimum threshold for achieving effects was at least 80 weekly minutes of moderate intensity exercise.

SourceBMJ Group·JournalBritish Journal of Sports Medicine·TypeSystematic review·DateNov 7, 2024

Professional body continues to misinform on palliative medicine doctors’ stance on assisted dying

A group of palliative medicine consultants criticize the APM's strong opposition to legalizing assisted dying, arguing it undercuts confidence in palliative care and stifles open discussion. They propose a more nuanced approach, acknowledging that end-of-life decisions should be made with trained healthcare professionals involved.

SourceBMJ Group·JournalThe BMJ·TypeCommentary/editorial·DateOct 30, 2024

‘Weekend warrior’ exercise pattern may equal more frequent sessions for lowering cognitive decline risk

Research suggests that just one or two sessions of physical activity per week can lower the risk of cognitive decline and dementia, which may be more convenient for busy people than regular exercise. The 'weekend warrior' pattern was found to be associated with a 25% lower risk of cognitive decline compared to non-exercisers.

SourceBMJ Group·JournalBritish Journal of Sports Medicine·TypeObservational study·DateOct 29, 2024

Brain changes seen in lifetime cannabis users may not be causal

A large observational study found associations between cannabis use and brain structure and function changes in later life. However, genetic analysis using Mendelian randomization suggests that these associations may not be causal, with possible explanations including unmeasured variables or differences in statistical power.

SourceBMJ Group·JournalBMJ Mental Health·TypeObservational study·DateOct 29, 2024

Physical activity of any intensity linked to lower risk of death after dementia diagnosis

Research finds that sustained engagement in regular physical activity before and after a dementia diagnosis is associated with the greatest reduction in risk of death, regardless of dementia type. Maintaining an exercise routine or starting new activities also reduces mortality risk, with higher levels associated with greater reductions.

SourceBMJ Group·JournalBritish Journal of Sports Medicine·TypeObservational study·DateOct 29, 2024

Suicide risk highest on Mondays and New Year’s Day

An analysis of 1.7 million suicides in 26 countries found that Monday has the highest suicide risk, followed by New Year's Day. Risk patterns vary across weekends and holidays, with some countries experiencing increased risks on Saturdays or Sundays.

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateOct 23, 2024

UK health leaders urge chancellor to invest in a smoke-free UK

UK health leaders are urging the chancellor to invest in creating a smoke-free UK, citing the significant economic burden of smoking (£93 billion annually) and the potential for increased funding through a 'polluter pays' levy on tobacco manufacturers. Investing in tobacco control can also improve public finances by saving £2.37 for ev...

SourceBMJ Group·JournalThe BMJ·TypeCommentary/editorial·DateOct 16, 2024

Around 40% of postmenopausal hormone positive breast cancers linked to excess body fat

Research suggests that up to 42% of postmenopausal hormone-positive breast cancer cases may be linked to excess body fat, a proportion significantly higher than previously estimated using the widely used measure of BMI. The study found that a validated measure of body fat called CUN-BAE yielded more accurate results.

SourceBMJ Group·JournalJournal of Epidemiology and Community Health·TypeCase study·DateOct 15, 2024

Should doctors be suspended for unlawful climate activism?

Experts debate whether doctors should face sanctions for protesting against climate change, with some arguing that civil disobedience can lead to positive social change. Doctors like Sarah Benn have been suspended after breaching an injunction order, but others argue that the GMC's actions erode trust in the medical profession.

SourceBMJ Group·JournalThe BMJ·DateOct 9, 2024

Extreme rainfall linked to heightened risk of death

An analysis of global data from 34 countries found a strong association between extreme rainfall events and increased mortality rates. The study identified locations with lower rainfall variability and scarce vegetation as having higher risks of deaths after extreme rainfall events.

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateOct 9, 2024