Study investigates exercise's impact on the brain

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Study investigates exercise's impact on the brain

Study investigates exercise's impact on the brain
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Study investigates exercise's impact on the brain

by CBSTV Videos 2:57 mins

Why does exercise lower anxiety? A new study may offer clues to what happens in the brain when you work out. Dr. Holly Phillips discusses the study with the "CBS This Morning" co-hosts.

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