How exercise in old age can reduce the risk of Alzheimer's

Odette Leiter originally comes from near Dresden and earned her doctorate in neuroscience at TU Dresden. Credit: QBI/Anjanette Webb
Exercise keeps you fit and young. This is scientifically proven. But what exactly happens in the brain when we exercise regularly? And why is exercise even effective against memory loss and Alzheimer's? In an interview, Dr. Odette Leiter, a neuroscientist at the University of Queensland and an expert in systemic brain rejuvenation, explains why.
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