Women under 50 'face stress risk'
Stress at work raises the risk of heart disease for women under 50, according to a study of more than 12,000 nurses.

New hope for HIV vaccine efforts
US researchers say they are a step closer to understanding why some people appear to have natural protection against HIV.

Lack of sleep 'poses death risk'
Lack of sleep can lead to an early grave, warn experts who say six to eight hours a night is optimal for good health.

Secrets of fruit appeal
Making fruit look good holds the key to helping children eat more of it, a European study suggests.

'Long-term harm' of toddlers' TV
The more TV a toddler watches, the higher the likelihood they will do badly at school, experts claim.

'Green' exercise 'boosts health'
Just five minutes of exercise in a "green space" such as a park can boost mental health, say researchers.

Test hope in painful bone disease
The identification of three genes which account for 70% of cases of a painful bone condition could lead to a screening test, say researchers.

Prostate cancer vaccine approved
A "vaccine" which uses the body's immune system to fight prostate cancer is approved for use by US drug regulators.

Roller coaster ear damage warning
The twists of a roller coaster ride can leave you breathless - but US doctors warn it could also cause temporary hearing loss.

Why this man knows his genetic destiny
A scientist has had all his DNA screened for what diseases he may succumb to in later life.

Family pregnancy sickness 'link'
Pregnant women are three times more likely to suffer from severe morning sickness if their mothers did, say Norwegian researchers.

Blood protein boosts heart risk
A protein in the blood is found to carry the same increased risk of heart disease as high blood pressure and cholesterol.

Brain 'pacemaker' surgery hope
Brain surgery to treat Parkinson's is more effective than medication alone, a major study has found.

Robot used in world-first surgery
Heart surgery using a remote-controlled robot arm is carried out for the first time by UK doctors.

Call for bowel cancer screening
A five-minute, one-off screening test could prevent thousands of people dying from bowel cancer every year, experts say.

Chilli peppers 'help pain relief'
The hot substance in chilli peppers is opening up a new way to block pain, say experts.

Sierra Leone launches free care
Sierra Leone launches a free healthcare programme for pregnant women, breast-feeding mothers and children under five.

US youngsters are too fat to fight, warn generals
Soaring rates of obesity mean more than a quarter of young Americans are now too fat to join the military, former generals warn.

'Wrong cancer'
Are patients with rarer cancers getting a raw deal?

Life sentence?
Would condoms in Zambian prisons reduce HIV spread?

Shock verdict
'I was diagnosed with Parkinson's disease at 19'

Awake or not?
Mystery after new brain scanning technique

Pregnancy timeline
From fertilisation to birth, an outline guide to a typical pregnancy and how the baby develops inside the womb.