If most people in the developed world have excess fat storage, why do our bodies signal hunger after only a few hours after eating?

Question

If most people in the developed world have excess fat storage, why do our bodies signal hunger after only a few hours after eating?

In: Biology

Answer 1

Because for millions of years, we had no idea when we would eat next. Fat is stored for emergencies, but the body still wants more food to be added so the emergency doesn’t happen.