I can't gain weight. I'm 21 years old, four foot eleven inches, female, 77 pounds. any ideas what is going on?
it's not my thyroid, or any kind of parasites. I eat a ton of protein and carbs, as I am active and athletic. I do smoke cigarettes. the weight loss was 20 pounds in 11 days (went from 97 to 77 pounds) and I can't gain any weight, my doctor doesn't know what is going on, I'm just looking for ideas of what could be happening, or if anyone has heard of a similar case.