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Beth Newcomb

How Exercise Helps the Brain and Body in Parkinson’s Disease (Being Patient)

By In the News

Being Patient quoted John Walsh on how exercise helps various aspects of health in Parkinson’s disease. Tremors, moving slowly, stiffness, and brain processing that affects cognition, are symptoms caused by the loss of dopamine neurons in the brains of Parkinson’s patients. But repetitive, high-intensity exercise can improve connections in the brain circuitry that don’t involve dopamine, said Walsh. Furthermore, exercise causes the dopamine cells that have not yet died to work more efficiently; however, exercising cannot slow the death of dopamine neurons, he added.

Scientists Tried to Age Young Ovaries with Old Microbes but Accidentally Made Them More Fertile (ZME Science)

By In the News

ZME Science featured research led by Berenice Benayoun on how fecal transplants from older to younger mice improved ovarian health and fertility. “Our original hypothesis was that we would see damaging effects of the older microbiome on ovarian function, but surprisingly, we found the opposite,” Min Hoo Kim, the study’s first author, said in a statement.