Muscle ups your metabolic rate
Does a fast metabolism, which allows some people to eat more and burn calories off easier, exist? Body size, age, gender and genes all play a role in determining our metabolic rate.
Muscle cells require more energy to maintain than fat cells, so people with a higher muscle-to-fat ratio tend to have a higher basal metabolic rate (BMR).
As we get older, we tend to gain fat and lose muscle. This explains why the BMR tends to decrease with age.
In general, men tend to have a faster metabolism as they have more muscle mass, heavier bones and less body fat than women, which is why their daily calorie allowance is higher. People who struggle to lose weight often blame a slow metabolism.
However, studies have failed to find evidence to support this widely held belief .
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