The obesity rate in the U.S. has seen a marked decline over the last three years, as the share of Americans who report using GLP-1 agonists for weight loss skyrockets, according to data from Gallup.

Only 40% of adults meet criteria for obesity when BMI alone is used. A new definition of obesity could nearly double the prevalence of U.S. adults with the condition, according to a study published ...

Is one class of medicines bending the curve on one of America’s most stubborn health crises? For the first time in decades, national obesity rates have edged downward-a shift many experts believe is ...