Save the Children is urging David Cameron and other world leaders to help fund the £2.3 billion cost of immunising the world's poorest children over the next four years.

Nicotine-based treatments could help control obesity, say researchers who have identified the neurons responsible for smokers' lack of appetite.

Ambulance services have been too focused on response times and not enough on patient care, according to the National Audit Office (NAO).

High heels or badly-fitting trainers could be putting women's feet at risk from arthritis because of the stress on the joints, says The Society of Chiropodists and Podiatrists.

New data released in Germany strongly suggests that locally produced bean sprouts were the source of the deadly E. coli outbreak.

The BBC's medical correspondent, Fergus Walsh, has been to Sierra Leone to see a vaccination programme against pneumonia.