10 Min­utes it takes peo­ple to ex­pe­ri­ence a high from ex­er­cise. 2

Runner's World (UK) - - Warm-Ups | Mind-Health -

GIVE YOUR BUSY BRAIN A LEG UP

Weight-bear­ing ex­er­cises such as run­ning can help keep you men­tally sharp, ac­cord­ing to a new study. 3 Us­ing the big leg mus­cles sends sig­nals to the brain that are needed for the pro­duc­tion of neu­ral cells.

In the study, mice were re­stricted to us­ing their front legs for 28 days. The re­searchers then ex­am­ined an area of the brain called the sub-ven­tric­u­lar zone, where those neu­rons are pro­duced. Re­strict­ing leg move­ment in the mice re­sulted in a re­duc­tion in the num­ber of neu­ral stem cells in their brains by 70 per cent, com­pared with the freely mov­ing con­trol group.

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