1. Of all the senses we love to indulge, scent is often neglected – but the right smells could be just what your brain needs to keep it whirring in old age. Researchers at the University of California, Irvine recently uncovered strong evidence that enriching the air with fragrances improves cognitive performance by strengthening a critical connection between neurological areas involving memory and decision-making. Their experiment, involving 43 men and women aged 60 to 85, suggests cognitive decline and conditions such as dementia might be slowed by simply diffusing a different choice of perfumes through the bedroom before bed each night. The research paper is here. (Sources: sciencealert.com, frontiersin.org)
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