National Obesity Forum faces backlash over ‘dangerous’ diet advice

Members of campaign group to disown controversial guidelines to eat fats and cut down on carbohydrates

Once-a-day sunscreens fail to live up to claims, says Which?

Tests on four major brands found they became less effective after six to eight hours

Sleepwalkers’ stories: ‘I could have died and no one would have known’

One in 50 adults are believed to suffer from episodes of sleepwalking. Here, five people tell us about their experiences

Are you a sleepwalker? Tell us about it

Police covered up a naked sleepwalker in Manchester this weekend. What situations have you found yourself in?

I’m a little bit female and a little bit male. Finally, I fit in my skin

I am transgender and have been on hormones for eight months – and I’ve never been happier

Surge in teenagers self-poisoning renews mental health concerns

Almost two in three poisonings are intentional – up 50% in past 20 years – with young women most affected, data shows

We saw magic mushrooms lift long-term depression. It’s time for a change of perception

After 50 years in the wilderness, psychedelic drugs such as psilocybin, found in mushrooms, deserve to be examined for their potential in treating illness such as depression

The doctor warning 15-year-olds about their declining fertility

With one in seven couples facing problems conceiving, IVF expert Geeta Nargund is taking her message into the classroom

York Minster criticised for allowing Buddhist meditation

Canon allows sessions as they are about wellbeing not doctrine, but Christian group says Zen teachings incompatible with Bible

Fifteen babies a day in UK are stillborn or die within month of birth

Report flags up urgent need for research into stark variations across country as charity calls government funding ‘woefully inadequate’