Weight loss

Overweight is an excess of body weight compared to the normal body weight or set standards. The extra weight may come from muscle, bone, fat, and/or body water. but Obesity refers specifically to having an increase in  proportion of body fat.So a person can be overweight without being obese, as in the example of a bodybuilder or other athlete who has a lot of muscle. However, many people who are overweight are also obese.