Teenagers who go to bed early and sleep longer have sharper brains, study finds

Researchers surprised at impact that even small differences in sleep make to adolescents’ cognitive abilities

Is it true that … potatoes are bad for you?

Spuds have a reputation for causing spikes in blood sugar, but it all depends on the variety and the way it is prepared

The truth about stress: from the benefits of the ‘good kind’ to the exercise that only makes it worse

The authors of a new book explain why understanding the science of stress can help us manage it better

Brisk walking linked to lower risk of heart rhythm problems, study finds

Study of 420,000 Britons suggests speeds of at least 4mph can lower risks by up to 43%

New gonorrhoea treatment hailed as breakthrough in fight against drug resistance

Researchers say gepotidacin could be delivered via a pill and help combat strains resistant to standard treatment

‘It can break you’: life for parents of autistic children can be exhausting. One podcast is offering hope. Is it real?

A podcast claims to show that autistic children with limited speech may be able to communicate via telepathy. What does the science say about the idea?

What happens when love tips over into the infatuated state of ‘limerence’?

A neuroscientist decided to study the addiction-like obsession of limerence, while overcoming it himself

Hay fever making your life a misery? Try these 20 tips from doctors and allergy experts

Do nasal sprays work? Which are the best antihistamines? Can honey help? What about a shower? We’ve got all the answers

A tub a day: might eating yoghurt help you live longer?

When the world’s oldest woman passed away at 117, much was made of her three yoghurts a day diet. But what role does yoghurt actually play in longevity?

Realising we’re all made-up characters in a story world helps me understand people

Considering everyone is a protagonist in their own narrative brought clarity for Will Storr