In 1972, 5% of American children and adolescents were obese. In 2020, what proportion of American children and adolescents were obese?
For the 1972 data, see Cheryl Fryar and colleagues, “Prevalence of obesity among children and adolescents: United States, trends 1963-1965 through 2009-2010,” published September 13 2012 by the Centers for Disease Control and Prevention, full text online at www.cdc.gov/nchs/data/hestat/obesity_child_09_10/obesity_child_09_10.htm. For the 2020 data, see the CDC page “Childhood obesity facts,” https://www.cdc.gov/obesity/data/childhood.html, accessed January 3 2023.
For more about why this happened and what you can do about it, please see chapter 4 of my book The Collapse of Parenting.