Metabolic rate and losing weight

It’s a common dieter’s lament: “My metabolism is so slow, I’m never going to lose any weight.”

When people talk about a fast or slow metabolism, what they’re really getting at is how many calories their body burns as they go about their day. The idea is that someone with a slow metabolism just won’t use up the same amount of energy to do the same task as does someone with a fast metabolism.

Metabolism is a biological term referring to the chemical reactions needed to maintain life in an organism. Your metabolism accomplishes three main jobs: converting food into energy; breaking down food into its building blocks for protein, lipid, nucleic acid and some carbohydrate; and eliminating nitrogen wastes.

If you’re agonizing over the speed of your metabolism, you’re probably focused on how much energy you’re getting from food you eat and how much your body is using. The energy value of a food is measured in calories.

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