A review of energy metabolism by Roberts and Rosenberg estimates that the decline in metabolic rate that humans experience with aging is equal to about 1-2% per decade. This means that from the age of 20 to 70, we can expect a decline in metabolic rate of 400 calories per day. That’s nothing. Stop blaming your slowing metabolism for your expanding waistline.

Change your behaviors!

Roberts SB, Rosenberg I. Nutrition and Aging: Changes in the Regulation of Energy Metabolism With Aging. Physiol Rev 2006. 86: 651–667

Metabolic Decline with Age.
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