pmic the biggest myth is that if you're obese or overweight it's your fault today three4 of American adults are obese or overweight including 40% of American teenagers back when I was growing up childhood obesity was almost unheard of you don't need statistics to know that something has changed look at the photographs of beaches Earth state fairs from the 1950s something has changed and it isn't human nature we haven't suddenly become lazy or glood what has changed is our food system our diets and hormone disrupting chemicals in our food and our water and our