Nobody knows why some people are obese and some aren't. It may start with willpower and then reinforce metabolism, sure. Or maybe you caught a virus when you we

Nobody knows why some people are obese and some aren't. It may start with willpower and then reinforce metabolism, sure. Or maybe you caught a virus when you were two years old that disposed you to be fat for life. Or for whatever reason, a specific flora of gut bacteria grew in your belly. We just don't know yet.