New wristband warns when you’ve been been in the sun too long

Paper bracelet printed with light sensitive ink signals UV exposure to wearer with smiley and frowny face symbols

Too much gluten while pregnant linked to increased diabetes risk for baby

Experts warn against switching to a gluten-free diet because that may reduce intake of fibre, iron and B-vitamins

Eating for two is a myth, say researchers, with weight gain linked to insulin resistance

In Silicon Valley they say taking tiny amounts of the hallucinogenic drug increases creativity and productivity, but is it all in the mind?

Little research exists on the effects of tiny doses of hallucinogens, but devotees of the practice report remarkable benefits

The idea that lifestyle changes have made the disease more common is a gross exaggeration – but increasingly prevalent. We separate fact from fiction

New research reignites a row with scientists who want to reduce salt intake to near zero

Ablation, a minimally invasive tumour-destroying technique using focused radiation, is proving effective. So why is it not more widely known?

Research halted as 10 to 15 other participants wait to see if their children affected

Blood tests on participants show profound impact work pattern has on hormones