I am 18 years old and I get sick every month. This is actually my second time this month being sick. I just got off of antibiotics a week ago and now I am sick again. It is usually a similar illness every time. I usually have an ear infection and bronchitis. I am very healthy. I exercise 3-5 times a week, drink a lot of water, eat a lot of protein, eat fruits and vegetables, and take vitamins. PLEASE HELP!!