The latest stories from the Health section of the BBC News web site.
Updated: 5 min 16 sec ago
A trial has begun to see whether a drug used to treat diabetes can slow the progression of Alzheimer's disease.
The drug ketamine should be upgraded from a Class C drug to Class B, government advisers say, after new evidence shows frequent use can cause "disabling" bladder damage.
Exercise throughout a person's life can play a significant role in reducing the risk of dementia, a study spanning 35 years finds.
Research into the biggest care problem of a generation
A fifth of patients on an intravenous drip develop complications because they are given the wrong levels of fluid, according to a review of guidance in England and Wales.
Playing 'active' computer games can help people with type 2 diabetes better control their blood sugar, a medical trial finds.
Would you want to know how ill you might become?
Viv Galley, whose husband Bill has advanced Alzheimer's disease, had told the BBC her story.
Some patients are facing long waits in ambulances outside A&E departments, with one case involving a delay of more than six hours, figures show.
Up to 100,000 people in Saudi Arabia are to have their genetic codes mapped by 2017.
A campaign urging people with a persistent cough to get checked by their doctor has led to a "dramatic rise" in lung cancer diagnoses, campaigner say.
How singing can help a chronic lung condition
Why all kinds of infections thrive in conflict zones
A month on from Typhoon Haiyan, healthcare is being restored
Though at first muted in his approach to HIV/Aids, Nelson Mandela became a dedicated advocate for a more vigorous approach to the disease.
Scientists have cast doubt on the value of vitamin D supplements to protect against diseases like cancers and diabetes.
Is how long you'll live simply down to your postcode?
An anti-tuberculosis vaccine could prevent multiple sclerosis, early research suggests.
The number of people living with dementia worldwide is set to treble by 2050, according to a new analysis.
The retrieval of high quality DNA from a 400,000-year-old human has opened up a new frontier in the study of our ancient ancestors.