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High fructose diet may contribute to high blood pressure, study finds

Date:
July 2, 2010
Source:
American Society of Nephrology
Summary:
People who eat a diet high in fructose, in the form of added sugar, are at increased risk of developing high blood pressure, or hypertension, according to a new study. The results suggest that cutting back on foods and beverages containing a lot of fructose (sugar) might decrease one's risk of developing hypertension.

People who eat a diet high in fructose, in the form of added sugar, are at increased risk of developing high blood pressure, or hypertension, according to a study appearing in an upcoming issue of the Journal of the American Society Nephrology (JASN). The results suggest that cutting back on foods and beverages containing a lot of fructose (sugar) might decrease one's risk of developing hypertension.

Hypertension is the most common chronic condition in developed countries and a major risk factor for heart and kidney diseases. Researchers are striving to identify environmental factors that might be responsible for the development of hypertension, and they suspect that fructose may play a role. Over the past century, a dramatic increase in the consumption of this simple sugar, which is used to sweeten a wide variety of processed foods, mirrors the dramatic rise in the prevalence of hypertension.

To examine whether increased fructose consumption has contributed to rising rates of hypertension, Diana Jalal, MD (University of Colorado Denver Health Sciences Center) and her colleagues analyzed data from the National Health and Nutrition Examination Survey (2003-2006). The study involved 4,528 US adults 18 years of age or older with no prior history of hypertension. Study participants answered questions related to their consumption of foods and beverages such as fruit juices, soft drinks, bakery products, and candy. Dr. Jalal's team found that people who consumed a diet of 74 grams or more per day of fructose (corresponding to 2.5 sugary soft drinks per day) had a 26%, 30%, and 77% higher risk for blood pressure levels of 135/85, 140/90, and 160/100 mmHg, respectively. (A normal blood pressure reading is below 120/80 mmHg.)

"Our study identifies a potentially modifiable risk factor for high blood pressure. However, well-planned prospective randomized clinical studies need to be completed to see if low fructose diets will prevent the development of hypertension and its complications," said Dr. Jalal.

Study co-authors include Richard Johnson, MD, Gerard Smits, PhD, and Michel Chonchol, MD (University of Colorado Denver Health Sciences Center).


Story Source:

The above story is based on materials provided by American Society of Nephrology. Note: Materials may be edited for content and length.


Journal Reference:

  1. Diana I. Jalal, Gerard Smits, Richard J. Johnson, and Michel Chonchol. Increased Fructose Associates with Elevated Blood Pressure. Journal of the American Society Nephrology, 2010; DOI: 10.1681/ASN.2009111111

Cite This Page:

American Society of Nephrology. "High fructose diet may contribute to high blood pressure, study finds." ScienceDaily. ScienceDaily, 2 July 2010. <www.sciencedaily.com/releases/2010/07/100701183514.htm>.
American Society of Nephrology. (2010, July 2). High fructose diet may contribute to high blood pressure, study finds. ScienceDaily. Retrieved July 30, 2014 from www.sciencedaily.com/releases/2010/07/100701183514.htm
American Society of Nephrology. "High fructose diet may contribute to high blood pressure, study finds." ScienceDaily. www.sciencedaily.com/releases/2010/07/100701183514.htm (accessed July 30, 2014).

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