What happens to fat that you eat?

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Fats has an absurdly long to-do list when it comes to helping our bodies function. First off, fats supply a ton of energy—it packs 9 calories per gram, compared to 4 calories in every gram of protein or carbohydrate—some of which we use immediately, and much of which is reserved for later when the energy we get from carbs (which our bodies prefer to use since they’re easier to break down and use quickly) is depleted, according to the FDA. But this macro does so much more than energize us. Fat is a basic component of cell membranes in every cell throughout our bodies, making it essential for body growth and development. It is integral to body processes from blood clotting and nervous system functioning to reproduction and our immune system response, according to the FDA.

 

http://www.youtube.com/watch?v=FKSDJZe1o4Q