Overweight is defined as a BMI of 25 or more, thus it includes pre-obesity defined as a BMI between 25 and 29.9 and obesity as defined by a BMI of 30 or more. [4]

Sep 13, 2024 · Having overweight — even carrying as little as 10 pounds of excess fat — can make a difference in your health. It can cause changes in your body that may lead to serious medical issues.

Mar 24, 2022 · Overweight and obesity are common conditions in the United States. Learn the causes and treatments for overweight and obesity.

Dec 8, 2025 · In 2022, 1 in 8 people in the world were living with obesity. Worldwide adult obesity has more than doubled since 1990, and adolescent obesity has quadrupled. In 2022, 2.5 billion adults …

Dec 4, 2025 · Overweight or obesity are associated with an increased risk for many serious diseases and health conditions. Body mass index (BMI) can be used to screen for weight status.

Jul 23, 2024 · A person may be overweight from extra muscle, bone, or water, as well as too much fat. But both terms mean that someone's weight is higher than what is thought to be healthy for their …

Nov 20, 2025 · Overweight is characterized as having a body mass index (BMI) of 25 to 29.9. Having overweight is associated with increased risk of conditions such as cardiovascular disease.

Dec 2, 2025 · Although there are genetic, behavioral, metabolic and hormonal influences on body weight, obesity occurs when you take in more calories than you burn through typical daily activities …

Learn about overweight and obesity, including causes, treatment, prevention, and more.

BMI is a measurement that uses your weight and height to estimate overweight and obesity. The table below shows BMI ranges for overweight and obesity in adults ages 20 and older.