A project aiming to revolutionise medicine by unlocking the secrets of DNA is under way in centres across England.

A newly discovered way to make entire bodies transparent could pave the way for a new generation of treatments, scientists say.

A hospital in Atlanta is preparing to receive a US aid worker infected with the deadly Ebola virus while working in West Africa.

The treatment of employees in public services who raise concerns about wrongdoing is often "shocking", a group of MPs says.

The Ebola outbreak is spreading faster than efforts to control it, the head of the World Health Organization tells West African leaders.

Life expectancy in South Africa has increased dramatically over the last decade mainly thanks to life-saving Aids drugs, a government report says.