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Metabolism – It’s What Keeps You Going

  Metabolism is often tied to weight. But there’s much more to it than how easily the numbers on the scale change. You’ve probably heard someone blame weight gain or feeling sluggish on having a “slow” metabolism—you’ll learn later that it’s not completely out of your control. But this is a common misunderstanding of the concept of metabolism. The meaning of the word “metabolism” is very simple, yet few people seem to understand what it is and what it does.   Metabolism is the set of chemical processes that take place in living organisms to sustain life. On a microscopic scale, the reactions and processes that maintain cellular health are referred to as cellular metabolism. These reactions are catalyzed by enzymes and organisms big and small rely on them for growth, reproduction, structural maintenance, and responses to their environment. In the broadest sense, metabolism is what gives organisms life. Without it, there is none. Your metabolism has three main functions: Convert...