The number of deaths worldwide from malaria has been underestimated, according to data published in the medical journal the Lancet.

Abnormalities in the brain may make some people more likely to become drug addicts, according to scientists.

Research which suggests that patients are more likely to die in hospital if they are admitted at the weekend is backed up by a major study.

Three British men die and three more people remain in hospital after contracting Legionnaires' disease while on holiday in Spain, a tour company says.

A record number of potentially dangerous new legal highs were found in Europe last year, say doctors.

Euro MPs block changes to food labels that would have allowed claims such as "now contains 15% less sugar".

Sugar added to processed foods is as damaging as alcohol and should be regulated, claim US health experts.

Around one million packets of birth control tablets are being recalled in the US as they might not prevent pregnancy.

Measures introduced to lower the suicide rate in England and Wales in the past decade appear to have been successful, according to an analysis.

Women who take certain ulcer drugs have a small increased risk of hip fractures in later life, particularly if they smoke, US research suggests.