Macros seem to come up often in the corners of the internet and social media devoted to people trying to lose weight, improve their health, look better and feel better about themselves. But what the heck is a macro' With more information than ever available at your fingertips, and more diets out there than you have fingers and toes to count on, it's no wonder you might be confused. As an exercise science specialist interested in physical health and nutrition, I've got you covered. If you look at a nutrition label, you'll see that macros are measured in grams. But it's important to understand that the calories per gram for each macro aren't the same. Protein and carbohydrates each have 4 calories per gram, while fat has 9 calories per gram. In other words, fat provides more than twice the amount of energy per gram compared with protein and carbohydrates. People rarely eat proteins, carbohydrates or fats in isolation. For example, while chicken is widely considered a source of...
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