Same goes for older people in general. Is it harder to lose weight because they simply move less? What’s happening that makes weight loss so much harder in 30s and above?
In: Biology
People typically lose 3–8% of their muscle mass each decade after age 30, and the rate of decline increases after age 60. Muscles are your metabolism engines. Muscle tissue can absorb glucose, which results in improved insulin sensitivity and lower blood sugar levels, and it stores excess glucose as glycogen; and when people lose muscle mass, this entire process becomes less efficient and they can become more insulin resistant.
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