Jim > I am averaging about 1500 calories per day.

K > That's pretty low. I hope that is a temporary calorie level. The relatively short and skinny !Kung San average 2,140 calories per day.

Agreed that it's low.  And, yes, it's temporary.  But think of it this way: When a person does a perfectly healthy water fast, they get ZERO calories a day for up to three weeks or more.

Jim