When nearly all animals use fat as their primary source of fuel, why do dietary guidelines advise a diet based on carbohydrates for human beings?

Question

Apparently even cows, who eat grass, synthesize fats in their rumen. I could be wrong. Looking for some clarity on this subject. Thanks!

In: Biology

Answer 1

Because carbohydrates break down into simple sugars and then those simple sugars become fat if not used while still in the blood stream. Fat does need replenishing because this doesn’t happen to all the sugars you consume. It’s all about slow release and fast release energy.