Tofu 'may raise risk of dementia' Eating high levels of some soy products - including tofu - may raise the risk of memory loss, research suggests.

Sporting 'heart screening' call Screening sportsmen for signs of hidden heart conditions could save lives, a study has concluded.

Brain imbalance 'cot death key' More evidence has emerged that a chemical imbalance in the brain may play a key role in cot deaths.

New way to tackle cancer depression Researchers say they have found a new treatment for cancer patients suffering depression

'Deadliest' malaria rising in UK More cases of the most dangerous type of malaria are being brought back to the UK from trips, official figures show.

Call for sex lessons at age four Two leading sexual health charities call for compulsory sex education for children as young as four.

'Mental risk' of Facebook teens Children growing up alongside social networking websites may have a "dangerous" view of the world, says an expert.

Denmark 'world's happiest nation' Denmark is the happiest country in the world, according to a survey published by the US National Science Foundation.

Doctors' own water baby shock Two doctors who live near a maternity hospital are caught out by their baby's home delivery in the bath.

US 'pregnant man' gives birth to baby girl An American man who was born female but underwent gender reassignment gives birth, US media report.

Male mother Gender reassignment is a long process

Money matters Is the French system better than the NHS?

Fighting fit? How to get the most out of your gym membership

Shaping up Why doctors are switching on to video games

Medical notes A comprehensive guide to clinical conditions

From BBC Health How to avoid the common triggers for asthma

Romanian girl in UK for abortion An 11-year-old Romanian rape victim is to have an abortion in the UK despite being cleared to have one in Romania.

'Snack-size' won't keep you trim Buying mini-versions of fattening snacks is not the way to keep weight off, Dutch scientists claim.

Dementia hits oldest women hard Almost half of all women in their 90s are suffering from dementia, Californian research suggests.

Cold sore virus secret revealed The secret of how the cold sore virus persists for a lifetime in the body may have been cracked by US scientists.

Skunk 'psychosis risk' warning People who smoke skunk are more likely to develop psychosis than those who use milder forms of cannabis, researchers claim.

Woman 'not in danger' if removed A campaign tries to halt the removal of a pregnant Nigerian woman and her family from the UK after being refused asylum.

EU plans cross-border healthcare More patients across Europe may seek treatment abroad if new EU healthcare proposals are adopted.

Mediterranean diet 'cuts cancer' Adopting just a couple of elements of the "Mediterranean" diet could cut your risk of cancer by 12%, say scientists.

Heart disease and stroke

Cancer: The facts The disease tends to affect older people - but can strike at any time.

Pregnancy timeline A week by week guide to pregnancy taking in how the baby develops, changes to the mother and key scan dates.