Can diet improve memory? BBC News Review

What you eat could improve your memory as you age. That’s according to new research in the US that found people who had a diet rich in flavanols may be less likely to lose their memory. The substance is found in tea, berries, apples and cacao – the seed chocolate is made from. But while some scientists think eating more dark chocolate could help, others say more research is needed.

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[Note: We apologise for the issue with sound on Beth's voice towards the end of the video.]