Overweight is a condition where too much fat accumulates in a person's body, which can have a negative effect on their health. If a person has a body mass index (BMI) of 30 or more, then that person is counted in obese persons. Overweight is a disease when a person's weight exceeds the normal weight or excess fat accumulates in the body. The condition of obesity increases the chances of causing many diseases in the body, such as Breathing disorder, Heart disease, Diabetes, Cancer and others.