The Age Your Metabolism Slows Down (And How To Fire It Back Up)

Research suggests that metabolism remains fairly steady from age 20 to 60, with muscle mass starting to decline around age 40. While metabolism may slow over time due to factors like muscle loss, a 2021 study found that metabolic rate drops by about 0.7% annually after age 60. To speed up metabolism, exercise, proper nutrition, stress reduction, adequate sleep, and hydration are recommended.

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