World Health Organization (WHO)

How can I cut my risk of dementia?

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The World Health Organization has launched its first ever guidelines on how people can help avoid getting dementia.

It looked at the evidence of what works and what doesn't for lowering risk.

Things to avoid include smoking and drinking too much alcohol.

While eating a healthy diet is beneficial, popping vitamin pills makes no difference to dementia risk, it advises.

Read the full guidelines here.

MPs discuss the importance of global vaccination

MPs debate World Immunisation Week.
Barely18 hours after he was appointed International Development Secretary -- in the mini-reshuffle following the sacking of Gavin Williamson -- Rory Stewart was in the Commons, talking about a key part of his new brief: international vaccination. 

He told MPs protecting people from preventable diseases was a story of global cooperation, as Mandy Baker reports.

There's more from Today in Parliament on BBC Radio 4 at 11.30pm.
Malaria: Africa pilots world's first vaccine in major trial
Initial testing of the vaccine, developed over 30 years, has shown a prevention rate of nearly 40%.