Dementia patients in the UK face what is, in effect, a "care tax" because they are left to sort out much of the care they need themselves, experts say.

Long-term use of pills for anxiety and sleep problems may be linked to Alzheimer's, research suggests.

Scientists suggest one in 19,000 undergoing an operation under general anaesthetic wake up during surgery, based on the biggest study into the subject.

Liberia is facing a "serious threat" to its national existence as the deadly Ebola virus "spreads like wildfire", its defence minister says.

Two nurses arrested in an investigation into allegations of wilful neglect at the Princess of Wales Hospital in Bridgend have now been charged, say South Wales Police.

The Gates Foundation is committing $50m to help step up efforts to tackle Ebola in West Africa.