Over half of NHS staff work unpaid overtime every week, survey finds

Annual survey reveals morale is high but workloads, sick rates and overtime highlight challenges

Nestlé to remove 10% of sugar from all snacks in UK and Ireland by 2018

Corporation vows to cut equivalent of 7,500 tonnes of sugar from confectionery without resorting to artificial sweeteners

Sex education: what do today’s children really need to know?

Condoms and consent, yes … but what about where to go for contraception? We asked for opinions. Give yours below

How to save a life – first-aid advice you’ll actually remember

A British Heart Foundation report suggests that our reluctance to intervene is killing people who are in cardiac arrest. Here are some simple, memorable steps you can take to help

Is it possible to be healthy and obese?

The causes of the global obesity crisis are not fully understood, but stress may have a part to play, new research suggests

Mediterranean diet may reduce risk of form of breast cancer – study

Eating plenty of nuts, fruit and fish may cut risk of getting oestrogen-receptor-negative cancer, Dutch research finds

Friends’ pictures on social media have biggest impact on body image

Women are more likely to compare themselves with their peers than with celebrities

Hairdressers of the world unite against hidden dangers of the salon

Asthma, arthritis and even cancer are occupational hazards – but Britain has helped block EU safety rules

‘I’ll go to school on two and a half hours’ sleep’: why British children aren’t sleeping

Doctors are reporting a dramatic increase in children with sleep disorders, which affect their physical and mental health. Why? Plus expert tips on a good night’s rest

Pregnancy sickness can kill – why are doctors so uninformed about it?

The agony of hyperemesis gravidarum can drive expectant mothers to terminate. That’s because the support they desperately need is still lacking