OBESITY ;  Causes, obesity can be over can be overcome to a great extent by proper living and eating. it is made worse by wrong habits of eating, excessive starch, fatty foods and sugar in the diet and also a lack of exercise. The basic reason for most cases of obesity is simply taking into the body more calories than are used daily living. A small number of  cases are due to a disturbance in the function of the thyroid or pituitary glands ;;;;;;;;;;;;;;;;;Symptoms;; Excessive fat shortness of breath, palpitation of the heart upon slight exertion.