A study which has taken over 35 years to complete has found that exercise can reduce the risk of dementia.
Cardiff University scientists have found that healthy behaviours including no smoking, low alcohol intake, healthy eating and regular exercise can reduce the effects of dementia.
Over 2,235 men were surveyed over 35 years in what is one of the longest investigations into the influence of environmental factors in a chronic disease.
The people who consistently lived a healthy lifestyle had a 60 per cent decline in dementia and cognitive decline.
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Homes in parts of Pontypridd, Tonypandy and Llwynypia are without water this evening due to a burst water main at Cilfynydd.
Welcome to the Newsweek Quiz - where we'll be testing your knowledge from the last seven days of news here in Wales.
Ospreys lock Lloyd Peers has joked that a change of name after marrying his wife, could mean better fortunes on the pitch.