weight loss - there are several reasons as why some people are overweight. It is interesting to know that your metabolism rate has a major impact on your weight loss program. www.1wallmart.com People with low metabolism have a hard time in losing weight because of their slow metabolism fat gets stored in their bodies. There are some people who suffer from the problem of hormonal imbalance, but one of the major causes of obesity in people is their unhealthy eating habits and inadequate exercising.