Diunduh Dari http://www.nhlbi.nih.gov/health/dci/Diseases/obe/obe_whatare.htmlWhat Are Overweight and Obesity?The terms overweight and obesity refer to a persons overall body weight and where the extra weight comes from. Overweight is having extra body weight from muscle, bone, fat, and/orwater. Obesity is having a high amount of extra body fat. The most useful measure of overweightand obesity is the body mass index !"#$. !"# is based on height and weight and is used for adults, children, and teens. %or more information about !"#, see &ow 're Overweight and Obesity (iagnosed)"illions of 'mericans and people worldwide are overweight or obese. !eing overweight or obese puts you at ris* for many diseases and conditions. The more body fat that you carry aroundand the more you weigh, the more li*ely you are to develop heart disease, high blood pressure, type + diabetes, gallstones, breathing problems, and certain cancers.' persons weight is a result of many factors. These factors include environment, family history and genetics, metabolism the way your body changes food and oxygen into energy$, behavior orhabits, and other factors.,ertain things, li*e family history, cant be changed. &owever, other things-li*e a persons lifestyle habits-can be changed. .ou can help prevent or treat overweight and obesity if you/ %ollow a healthful diet, while *eeping your calorie needs in mind 're physically active 0imit the time you spend being physically inactive1eight loss medicines and surgery also are options for some people who need to lose weight if lifestyle changes dont wor*.Outlook2eaching and staying at a healthy weight is a long3term challenge for people who are overweightor obese. !ut it also can be a chance to lower your ris* of other serious health problems. 1ith theright treatment and motivation, its possible to lose weight and lower your long3term disease ris*.