The latest stories from the Health section of the BBC News web site.
Updated: 50 min 21 sec ago
An update to one of the most important manuals in mental health - known as the bible of psychiatry - is to be published later on Saturday.
A fertility clinic says tests on a new embryo monitoring system significantly increases the chances in IVF treatment resulting in a successful pregnancy
Time-lapse imaging which takes thousands of pictures of developing embryos can boost the success rate of IVF, according to British research.
Applying high-frequency electrical noise to the brain can boost maths skills up to six months later, say Oxford University researchers.
Retirement has a detrimental impact on mental and physical health, says a new study by the Institute of Economic Affairs, a think tank.
Mosquitoes carrying the malaria parasite are more attracted to human body odour than uninfected insects, scientists report.
The trend for barefoot running could lead to injuries in some runners, a small study suggests.
Mosquitoes carrying malaria are more attracted to human scent than non-malarial ones, research has suggested.
The strange beauty of infections under the microscope
Human cloning is used to produce early embryos, marking a "significant step" for medicine, say US scientists.
The World Health Organization says its annual statistics show progress is being made in cutting child mortality, but not enough.
Young children reject storybook characters who are overweight, research reveals.
Women live longer than men partly because their immune systems age more slowly, a study suggests.
Scientists in India unveil a new low-cost vaccine against a diarrhoea virus that kills about half a million children around the world each year.
Egg shortage forces Asian couples abroad
Hollywood actor Angelina Jolie has explained why she chose to undergo a double mastectomy to reduce her chances of getting breast cancer.
Hollywood actress Angelina Jolie undergoes a preventative double mastectomy after doctors told her she had an 87% risk of getting breast cancer.
Researchers in Cambridge have begun a study to understand the adolescent brain
Actress Angelina Jolie has had a double mastectomy to prevent breast cancer after being told she had a dangerous genetic mutation. Is this something for everyone to worry about?
The United Nations Food and Agricultural Organisation wants to increase insect-farming and consumption to help boost nutrition and reduce pollution as the world's population steadily grows.