Fats are actually the more complicated of the 3 main macronutrients—protein, carbs, and fats.
Fats are the most energy dense macronutrient as 1 gram of fat is 9 calories vs 1 gram of carbs or protein being 4 calories.
Fats are responsible for many of the essential functions that keep us healthy, but within the spectrum we have balances and ratios we want …