Good Health (Australia) - - Be Informed -

There’s lots of re­search on how cir­ca­dian rhythms can in­flu­ence our well­be­ing, now a study says the sea­sons can de­ter­mine our brain power too. A team of in­ter­na­tional re­searchers fol­lowed more than 3000 peo­ple in North Amer­ica and Europe, most of whom were over 70, and gave them an­nual tests look­ing at mem­ory and pro­cess­ing speed, which were also tested ran­domly through­out the year. They found that cog­ni­tive per­for­mance was higher in sum­mer and au­tumn, peak­ing at the au­tumn equinox, be­fore fall­ing in win­ter and spring. Re­searchers say it may be down to how we al­ter our life­style habits with the sea­sons, or our brains may even ex­pe­ri­ence some­thing sim­i­lar to a mild hi­ber­na­tion over win­ter.

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