A study from the Lancet showed that from 1990 to 2021, rates of overweight and obesity went up worldwide, with China, India, and the U.S. having the largest population of overweight or obese adults.

The U.S. obesity rate is about 40%, according to a 2021-2023 survey of about 6,000 people. Nearly 1 in 10 of those surveyed reported severe obesity, the U.S. Centers for Disease Control and Prevention ...