Air pollution is linked to an increased risk of stroke, a large global study in the British Medical Journal suggests.

MPs say it's "inexplicable" the NHS in England spends more on bariatric surgery than well-established measures to prevent obesity.

People who need treating with repeated courses of antibiotics may be at increased risk of developing diabetes, researchers have found.

The findings of Lord Penrose's inquiry into contaminated NHS blood supplies are being published later today.

Ebola is more deadly for young children than adults, an analysis in the New England Journal of Medicine suggests.