平均BMI從30.24降到 30.21，這種數據有什麽意義?

 

The study reviewed the body mass index (BMIs), a measure of obesity, of 16.7 million U.S. adults over a 10-year period. The average BMI rose annually to 30.24 -- which is considered obese -- until it plateaued in 2022, then dropped marginally to 30.21 in 2023.