I wonder this as well. I would say 7 to 8 years old I started to become overweight. My 2 sisters, mom and dad all ate the same home cooked meals everyday. All 4 of them are still til this day small, not even slightly overweight at all. I don't get it.

I realized I was overweight when I was in 5th grade. I remember in high school I was 160 lbs, that is my current goal weight now. Then 190 after first baby, 235 after 2nd baby. Lost 50 lbs then gained back 65