Is omega-3 oil good or bad for us – and does it matter where it is from?

Research shows fish oil may increase risk of people developing a heart condition or stroke

Why are class reunions so terrifying?

The prospect of a high school or college reunion elicits shame, dread and regret. What if going could actually be good for your mental health?

The search for the perfect wetsuit: is there one that doesn’t harm the planet?

Neoprene is made from toxic chemicals, hard to recycle and, with 400,000 tonnes made a year, a growing problem. So can surfers and swimmers find green wetsuits?

Cash incentives may help men lose weight, research finds

Men with obesity offered incentives and sent healthy-eating tips in Game of Stones trial found to have lost most weight

Bird flu strain found in US cows flown to UK lab for testing

Virus is sent to high-security lab so that experts can examine the potential risks to people and livestock

‘I made curtains on the train’: the commuters livening up their journeys

From a velomobile to inline skating and audiobooks, six people reveal how travelling to work is no chore

If you live to 100, you might as well be happy: what poverty, jail and war have taught author Rhee Kun Hoo

Joy is all around us, according to the bestselling South Korean author. Here’s what he has learned from a long and often hard life

Cold review – theatrically evocative folk-tale treatment of the pain of miscarriage

A man spins a story in a doctor’s waiting room, sparking a fairy tale of loss and desperation

Experts condemn US tobacco firm’s sponsorship of doctor training as ‘grotesque’

Philip Morris International has supported non-smoking programmes around the world ‘to advance its own interests’, say health professionals

‘It’s eating what the sea provides’: Galicia’s Atlantic diet eclipses Mediterranean cousin

In Fisterra in north-west Spain, a diet rich in seafood, fruit and vegetables survives, and has been found to reduce the risk of type 2 diabetes and heart-related conditions