14:23 UK time, Tuesday, 10 December 2013
A trial has begun to see whether a drug used to treat diabetes can slow the progression of Alzheimer's disease.
Leading nations have committed to developing a cure or treatment for dementia by 2025 at the G8 dementia summit.
'If mum takes her mask off, we are all at risk'
Research into the biggest care problem of a generation
Why Uruguay is legalising its marijuana market
Would you want to know how ill you might become?
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
Why do people troll themselves online?
Is how long you'll live simply down to your postcode?
How dangerous is 'highway hypnosis'?
Future challenges in the fight against HIV/Aids
From urban Santiago to wild Patagonia, Chile never ceases to amaze
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