Metabolism determines how many calories your body burns at rest through BMR and RMR. Understand how age, thyroxine, and pregnancy affect your metabolic speed and energy levels.
Your metabolic rate relates to the energy your body uses in a day, measured in units of energy called calories. When you're managing your weight, a faster metabolism means you can take in more calories from food and drink without gaining weight.
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Youβre typically told to eat less and move more to lose weight. But if you eat too little, you'll face a metabolic slowdown that interferes with weight management. Eating enough calories at predictable intervals will help boost a metabolism that has stalled.
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Your metabolism consists of the energy you use to exist, perform daily functions, exercise and digest food. Basal metabolic rate and resting metabolic rate are two different measures that tell you how many calories you burn without any extra daily activity -- as if you were lying in bed all day. You may see the terms "
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Losing weight requires you to eat fewer calories than you burn, so it seems logical that eating no calories would lead to the quickest loss. Fasting, however, does not speed up your metabolism -- and may actually backfire by slowing down your metabolic processes to compromise your ability to successfully drop pounds.
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It's a well-established "rule" that frequent meals boost your metabolism and prompt weight loss, but research doesn't necessarily back this rule up. While this eating pattern helps some people, it isn't absolutely necessary for healthy weight management.
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All the biochemical processes your body does daily make up your metabolism. These processes consist of basic bodily functions -- such as pumping blood -- physical activity and digestion. The energy used to fuel these processes is measured as calories, which you get from food.
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