Lead investigator Diana I. Jalal, MD, assistant professor of renal medicine at the University of Colorado Health Sciences Center in Aurora and her colleagues used the NHANES data to evaluate median fructose intake from food high in added sugar, including bakery products, dairy desserts, chocolate and other candy, dried fruits, honeys, jams, jellies, syrups, and sugar-sweetened soft drinks (these soft drink account for 33-40% of fructose consumption in the USA as per Dr Jalal).
An analysis of data from more than 4500 NHANES participants showed that consuming 74 grams or more of fructose per day (equivalent to about 2.5 cans of 12-ounce sugary soda) correlated significantly with hypertension. Those with the high intake of fructose had a 28% increased risk for blood pressure of 135/85 mm Hg or higher, a 36% increased risk for blood pressure of 140/90 mm Hg or higher, and an 87% increased risk for blood pressure of 160/100 mm Hg or higher.
The relation was seen only between systolic blood pressure and fructose intake, Dr. Jalal said. There was no correlation between fructose consumption and diastolic blood pressure. Again, this is an observational report and further studies are indicated. Nevertheless, whether a strong link to hypertension is proven or not, I think it is safe to recommend a diet of low fructose intake to everyone.
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