Health

The condition affects how certain adult teeth form in early childhood. It isn’t caused by lack of brushing, sugar or poor dental habits, but by something that disrupts the enamel formation before the teeth even erupt.

By following the journey of how PFAS move into the bodies of living things – including people – scientists like me are working to improve safety recommendations and usage guidelines for these chemicals.

Recent market insights suggest that this practice is becoming increasingly popular, with 34% of adults reporting they’ve tried zebra striping in 2025. But while this may help you pace yourself better, it’s by no means a hangover cure.

Less fat, animal-sourced protein and more complex carbs each day, for less than a month, can potentially take years off the biological clock in older adults. It suggests our health is more sensitive to short-term lifestyle changes than we think.

Scientists are confident they've got the first effective Lyme disease vaccine, but the final hurdle will be FDA approval – which the drug-makers are seeking despite unexpected statistical issues. It remains to be seen if this will derail their goals.

Naps are one of life's pleasures, but as we age, they can also be an early sign of health issues we're unaware of. These findings are thanks to a groundbreaking study of more than 1,000 people who had their daytime naps tracked for up to 19 years.

A new study challenges the idea MS is just one single disease presenting evidence it may actually follow two distinct biological pathways. It’s a shift that could reshape how clinicians think about diagnoses, disease progression and treatment strategy.

There are many approaches you can take to stop smoking, from nicotine replacement therapy to good ol' quitting cold turkey. None of these are easy, but using a smoking cessation app can greatly increase your chances of breaking the habit.

2025 certainly saw some major health-related breakthroughs including a universal cancer vaccine. But the year was also filled with smaller findings that can still have a big impact on your day-to-day health. Here are 18 of them.

In a world where slimness is often equated with health, a new Danish study has flipped the narrative: being slightly overweight, or even mildly obese, may not be as deadly as once thought. In fact, in some ways it could be safer than being thin.

Scientists have taken the most detailed look yet at the biology of a record-breaking woman who lived 117 years and 168 days free of cancer, cardiovascular disease and dementia. And many things they discovered could help us achieve our own longevity.

A new study reveals that people's beliefs in the health benefits of supplements might not come from science, but from clever labelling. Phrases like “boosts brain function” can make people believe a supplement can prevent conditions like dementia.