‘Hardcore science’ or ‘just a sticker’ – do anti-anxiety patches actually work?

This month, Meghan, the Duchess of Sussex, was photographed wearing a “biosignal processing disc” affixed on her left wrist. The product, sold by a company…

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Don’t forget to floss: the science behind dementia and the four things you should do to prevent it

The idea was simple. Recruit hundreds of people in their 80s and 90s, equip them with fitness trackers, and monitor their physical activity. Then, when…

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