21. Look at nature: A US study found people who walked around an arboretum did 20% better on a memory test than those who walked around streets. Just looking at pictures of nature can have a beneficial effect.
22. Tuck into chocolate: Eating chocolate can improve your memory, said Oxford University scientists, who tested 2,000 volunteers.
A separate study at Northumbria University found people given large amounts of flavonols, a compound found in chocolate, found mental arithmetic much easier.
23. Get enough sleep: Lack of sleep boosts the formation of beta amyloid, the toxic protein that clogs up the brain, according to a study in the journal Science.
“Disturbed sleep delays storage of memories and makes us forget sooner,” says Professor Chris Idzikowski, director of The Edinburgh Sleep Centre.
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