Scientists say they have worked out the complete genetic blueprint of a cancer for the first time.
Friendly bacteria could be used to protect critically ill patients from developing pneumonia, scientists believe.
Cosmetics containing tiny "nano" particles are being used widely despite unresolved safety concerns, a watchdog warns.
The ban on topping up NHS care by paying for drugs otherwise unavailable is to be lifted under government plans for England.
Teenage girls who watch lots of TV shows with a sexual content are twice as likely to become pregnant, research suggests.
Increased rainfall - or something linked to it - may be connected to the development of autism, scientists claim.
Patients in England are to hear later whether they will be able to top up NHS care by paying for drugs privately.
A new trial will assess the impact of anti-depressant drug Lithium as a treatment for motor neurone disease.
A new trial will assess the impact of mood stabiliser Lithium as a treatment for motor neurone disease.
Pregnant women are advised to cut their caffeine intake after a British study linked the drug to low birth weight.