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Dr. Gabrielle Lyon, author of the New York Times bestseller Forever Strong: A New, Science-Based Strategy for Aging Well, describes muscle as “health currency”—as vital to our physical health as money is to our financial health. As Dr. Lyon describes it, muscle is armor for the body; it produces chemical messengers that cue various systems in the body, from the immune system to the brain, to stay strong; and it is key in regulating our glucose and insulin levels. Saying you don’t want more muscle is like saying you don’t want better health.
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Tamsen Fadal (How to Menopause: Take Charge of Your Health, Reclaim Your Life, and Feel Even Better than Before)