I lost close to 30 pounds a little over a year. i was not dieting. i have been not eating as much as i used to. is this a concern? i am 26.

Loss of Weight: Your Health is Precious! Lack of proper nutrition, constantly on the run, intensive exercise, depression, or a medical condition can cause loss of weight. See physician for possible Diagnosis of Peptic ulcer disease, Crohn's disease, Celiac disease, Ulcerative colitis, Hyperthyroidism, Diabetes, Adrenal insufficiency, Alcohol or Cocaine abuse. See Psychiatrist for stress and depression.