“The findings from large cross-sectional studies, in conjunction with those from well-powered prospective cohort studies with long periods of follow-up, show a positive association between greater intakes of sugar-sweetened beverages and weight gain and obesity in both children and adults… a 12-oz serving [1 can of soda = 1 serving] of regular soda provides 150 kcal and 40-50 g of sugar in the form of high-fructose corn syrup… which is equivalent to 10 teaspoons of table sugar. If these calories are added to the typical US diet without reducing intake from other sources, 1 soda/day could lead to a weight gain of 15 lb or 6.75 kg in 1 year.”
How Much Sugar is Too Much?
Naturally occurring sugars, like those found in fruit, also come with vitamins, minerals, and phytochemicals that facilitate their metabolism and allow cells to efficiently use their food.
The recommended daily amounts of carbohydrates depend on age, size, and activity level. However, on average, the American Heart Association recommends limiting added (non-natural) sugars to: