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Researchers found that those who lifted weights had a 46% lower death rate.9 Even after adjusting for other health variables such as body mass index and chronic disease, and lifestyle habits such as smoking and drinking, the weight-lifting group still had a 19% lower mortality rate. Resistance training has even been shown to reduce age-related cognitive decline, slowing down neurodegeneration in people at risk of developing Alzheimer’s.10 Weight training effectively boosts production of brain-derived neurotrophic factor (BDNF), a naturally occurring protein responsible for nerve cell maintenance. Researchers refer to BDNF as “Miracle Grow for the brain.” Despite the dumb weight lifter stereotypes, resistance training is one of the best things you can do for your cognitive function.
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Scott H Hogan (Built from Broken: A Science-Based Guide to Healing Painful Joints, Preventing Injuries, and Rebuilding Your Body)