High Fructose Corn Syrup
What changed 1970-80's? ? USA Switched to High Fructose Corn Syrup– All sodas & much of other foods. Used to be Sucrose (Cane & Beet sugar).
Also food advice (food "pyramid"!) was to eat lots of carbs, fats evil. Made people sick and fat. Pushing Corn, same as ethanol /gasoline mandates.