Fat can be breathed out as well as burned off as you lose weight, biochemists who have studied metabolism at a microscopic level say.

E-cigarettes can help smokers stop or reduce their habit, a Cochrane review has found.

Women with or at risk of mental health problems should receive extra support at all stages of pregnancy and beyond, updated NHS guidelines say.

A £2.7bn fund to improve public health in England is not always being spent where most needed, the National Audit Office says.

Sierra Leone is due to mount house-to-house searches in the capital Freetown to find hidden cases of Ebola, and restricts shop opening hours.

Inaccuracies in a hospital's cancer waiting times figures were caused by managerial incompetence rather than bullying of staff, investigators find.

The rules for creating babies from three people - which state only two would be classed as parents - have been announced by the UK government.

Smoking in cars with children will be banned in England, under new laws put forward by the government.