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Anorexia
belamia
Muscle dysmorphia, and / or anorexia athletica.
muscle dysmorphia
anorexia and bulimia
That would really depend on the severity and type of the eating disorder. The closer to anorexia proper the woman is, the more likely she is to have problems during her pregnancy, and possibly miscarry.
she has an eating disorder as she must be lacking something in her body which is most likely to be iron.
Ortherexia, Muscle Dystrophy
Muscle dysmorphia. But men do get other eating disorders as well, it's just that the amount of women is more.
Obesity
Current theory suggests that there are inheritable traits that can make us more or less likely to develop overweight/obesity, but the big issue is with habits and not with genetics. The main cause for people developing obesity is poor eating and exercising habits. If your parents held poor diets and didn't get enough exercise odds are that you will be doing the same - and that is setting you up for overweight and obesity.
Yes, Pica is a type of eating disorder, but not in the traditional sense. People with pica have an appetite for non-food items, such as dirt, chalk, coal, baby powder, etc. They also eat foods that are considered raw items, such as flour or salt.