For 10 million years our ancestors walked several miles every day to find food. Then agriculture was invented 15,000 years ago, and those genes have not adapted to sedentary life style.
“For 10 million years our ancestors walked several miles every day….”
Not mine, as that would seem to long pre-date Adam & Eve. But different beliefs for different folks.
“…our ancestors walked several miles every day to find food. Then agriculture was invented 15,000 years ago, and those genes have not adapted to sedentary life style.”
My guess is that in addition to physical activity, it has a lot to do with what, how much and how often modern Americans are eating. Three large meals per day filled with added sugar, starchy vegetables, seed oils, preservatives, food coloring, poly this and poly that, GMO….