Obesity is a treatable disease associated with having an excess amount of body fat. It is caused by genetic and environmental factors and can be difficult to control through dieting and exercise alone. Obesity is diagnosed by a healthcare provider and is classified as having a body mass index (BMI) of 30 or greater. Obesity is a worldwide health concern and major risk factor for a number of chronic diseases, including diabetes, cardiovascular diseases and cancer.
People who have obesity, compared to those with a normal or healthy weight, are at increased risk for many serious diseases and health conditions, including the following:
- All-causes of death (mortality)
- High blood pressure (Hypertension)
- High LDL cholesterol, low HDL cholesterol, or high levels of triglycerides (Dyslipidemia)
- Type 2 diabetes
- Coronary heart disease
- Gallbladder disease
- Osteoarthritis (a breakdown of cartilage and bone within a joint)
- Sleep apnea and breathing problems
- Some cancersExternal (endometrial, breast, colon, kidney, gallbladder, and liver)
- Low quality of life
- Mental illness such as clinical depression, anxiety, and other mental disorders
- Body pain and difficulty with physical functioning.