Can wiggling your pinky really stop cognitive decline?

Pramata/Shutterstock.com What if protecting your brain from dementia was as simple as wiggling your little fingers a few seconds each day? That’s the promise behind “pinky time”, a viral TikTok trend that claims a simple finger exercise can lower your risk of developing Alzheimer’s. Videos promoting this supposed brain-health hack have attracted millions of views, […]

Continue Reading

The danger of confusing AI mental health support with therapy

Nuva Frames/Shutterstock In a recent episode of British sitcom Amandaland, Anne Flynn turns to ChatGPT for help talking to her teenage son about sex. The episode frames this as “The Chat”: the awkward parent-child conversation many adults dread. What Anne is doing on screen is what many people are now doing in private: taking hard […]

Continue Reading

Too hot to be hungry: why our appetite shrinks in the summer heat

During a heatwave, cooling you down becomes much more important than digesting and absorbing a big meal. AnikonaAnn/ Shutterstock When temperatures soar, many people find their appetite suddenly plummets. The idea of eating a hot meal becomes the last thing our minds when the heat becomes too much to bear. This doesn’t happen because the […]

Continue Reading

Vitamin D and calcium supplements may not protect against bone fractures, large new study suggests

Niranjan Acharya/Shutterstock.com For years, many people have taken calcium and vitamin D supplements to help keep their bones strong as they age. Walk into any pharmacy or supermarket and you’ll find shelves full of products promising to support bone health, prevent fractures and reduce the risk of falls. Calcium is an important building block of […]

Continue Reading

Summer’s silent killer: why the world’s heatwaves are a global health emergency

Studio Nut/Shutterstock Heat is no longer a future climate risk. It is already here. Across continents, high temperatures are being pushed higher by forces acting at once: human-caused warming, very warm oceans, dry soils, slow-moving high-pressure weather systems and El Niño conditions that have now developed in the tropical Pacific. El Niño is a natural […]

Continue Reading

People who lift weights live longer – new study

People who regularly strength trained had a lower risk of dying from cardiovascular disease and dementia. PeopleImages/ Shutterstock Strength training has long been seen as something you mainly do to build muscle or look good. But a new study adds to a growing body of evidence that shows lifting weights does far more than change […]

Continue Reading

Can supplements keep your brain sharp? Why the evidence is more complicated than it seems

Teacher Photo/Shutterstock Many of us would like to keep our brains sharp as we get older. That has helped create a growing market for “brain-health” supplements. These include fish-oil capsules and postbiotics, the beneficial, non-living compounds and byproducts produced by “good” gut bacteria (probiotics) when they digest dietary fibre or prebiotics. But assessing these products […]

Continue Reading

When climate pressures deepen, the fight against violence becomes harder

Andrzej Kubik/Shutterstock Climate-induced crop failures, death of livestock and water shortages increase food insecurity and malnutrition. This makes it harder for families to maintain stable incomes and consistent supplies of food. Climate-induced drought and flooding make agriculturally dependant communities poorer and more desperate for income. In some countries such as Somalia, Somaliland, Sudan and Kenya, […]

Continue Reading

The HPV vaccine works – but only if we keep trusting it

Komsan Loonprom/Shutterstock.com Human papillomavirus (HPV) vaccination is already saving lives in the UK – and the scale of that success is striking. Among young women who received the jab as schoolgirls, there have been no recorded deaths from cervical cancer in recent years. Between 2020 and 2024, no woman in England aged 20 to 24 […]

Continue Reading

This Father’s Day, it’s time to listen to dads

Father’s Day is a time to celebrate fathers and father figures. Today’s dads may be more involved in their children’s lives than ever before, sharing the day-to-day responsibilities of raising children. But while expectations of fathers have evolved, the support available to them has not always kept pace. My colleagues and I undertook research in […]

Continue Reading