“If you stop exercising for even 10 days, just as you will quickly lose your cardiovascular fitness — you will also experience a decrease in blood-brain flow. Keep going. Stay with your exercise program as best as you can.” — Dr. J. Carson Smith, associate professor of kinesiology at the University of Maryland School of Public Health, and lead author of a 2016 study that looked at the impact of exercise on the cognitive problems and dementia of aging

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