Weight gain is a condition where the mass, fat or fluid of the body increases. This is also known as obesity. Obesity is the result of many factors like environment, hormones and inheritance. Weight also increases when the fat level rises in the body this is mainly due to lack of exercise. Today, over half of the population is affected with the problem of obesity and one of the key factors that contributes to this problem is their lifestyle. But apart from the lifestyle there are other reasons of weight gain which count.