Physical activity protects the brain from aging from "summary" of Spark by John J. Ratey
The idea that physical activity can shield the brain from aging may seem too good to be true, but the evidence supporting this concept is robust and compelling. Numerous studies have shown that engaging in regular exercise can have a profound impact on brain health and function, particularly as we get older. When we exercise, our bodies release a cascade of chemicals and proteins that help to support the growth and maintenance of brain cells. This process, known as neurogenesis, is crucial for keeping the brain sharp and resilient in the face of aging. In addition to promoting the growth of new cells, exercise also helps to protect existing brain cells from damage and deterioration. One of the key ways in which physical activity benefits the brain is by increasing levels of a protein called brain-derived neurotrophic factor (BDNF). BDNF acts like fertilizer for the brain, helping to nourish and strengthen neural connections. Research has shown that hig...
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