Wikipedia states that it “is the set of life-sustaining chemical transformations within the cells of a living organism”. A more common definition would include how our body uses calories to gain, maintain, or lose weight, along with digestion and absorption of nutrients.
It is important to note that metabolism is not a static thing that exists in some specific area of the body. Rather, it is a means for the body to regulate its own existence and ensure its survival.
A common misconception is that our metabolism will stay constant and we can merely decrease calories to lose weight or increase calories to gain weight. Although this may work for a time, ultimately, the body will alter its metabolism to adjust to the changes.
I see this most common with individuals trying to lose weight. They drop calories significantly, for such a long period of time, with no return to…
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