Sugarscience.org sugar eats 19.5 teaspoons 12 oz soda has about 11 teaspoons of added sugar SugarScience.org claims recommended maximum daily intake Sugarscience.org Sugarscience.org sugar double that amount brain-scan study 12 oz soda has about 11 teaspoons of added sugar 19.5 teaspoons Sugarscience.org Sugarscience.org The American Heart Association 19.5 teaspoons 82 grams of sugar SugarScience.org How Much is Too Much? Sugarscience.org SugarScience.org