mar 1, 1995 - BMI changed by WHO

Description:

WHO defined adult overweight as BMI >/=25 and obesity as BMI >/=30

"At the time that the WHO classification was published, the National Institutes of Health (NIH) in the United States classified people with a BMI of 27.8 (men) and 27.3 (women) or greater as being overweight. If they were below this BMI, they were considered to be “normal.” This was based on an 85% cutoff point of people examined in the National Health and Nutrition Examination Study (NHANES) II.12,22,34 Subsequently, in 1998, the cutoff point between normal and overweight was reduced to a BMI of 25 to bring it into line with the 4 categories in the WHO guidelines.25,35 Parenthetically, this instantaneously converted millions of Americans from being “normal weight” to being “overweight.”

Source: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4890841/