 [ Symptoms ] i have gained 20 plus pounds in 6 months & blood tests all normal could my weight gain be because of bowel infection  all blood test have found nothing yet i am still gaining weight i eat sensibly take walks and exercise with no effect help  i am so uncomfortable with all this extra weight it is getting harder and harder to keep up my routine and i am afraid i will develop heart disease or something worse [ Disease ] i do not know of a mechanism by which allergic reactions would lead to hearing loss