Why Does Our Metabolism Slow Down With Age?
Your metabolism has an alibi. A study of over 6,000 people found metabolic rate is essentially flat from 20 to 60.
Most of us start blaming our metabolism somewhere in our thirties. The largest study ever done on human energy expenditure suggests we have been accusing the wrong party. Using doubly labelled water, the gold standard for measuring energy expenditure in real life, researchers tracked over 6,000 people aged from eight days old to 95 across 29 countries. Between 20 and 60, metabolic rate holds steady. No dip in the thirties, no crash in the forties, and no measurable effect of…
The skinny
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