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Cans lined with Bisphenol A may increase blood pressure

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“Urinary BPA concentration increased by up to 1,600 percent after consuming canned beverages compared to after consuming the glass-bottled beverages.”

PUBLIC RELEASE DATE:

8-Dec-2014

American Heart Association Rapid Access Journal Report

Drinking or eating from cans or bottles lined with Bisphenol A (BPA) could raise your blood pressure, according to new research reported in the American Heart Association’s journal Hypertension.

BPA, a chemical used as an epoxy lining for cans and plastic bottles, is everywhere, and its consumption has been associated with high blood pressure and heart rate variability. Previous studies have shown that BPA can leach into foods and drinks.

“A 5 mm Hg increase in systolic blood pressure by drinking two canned beverages may cause clinically significant problems, particularly in patients with heart disease or hypertension,” said Yun-Chul Hong, M.D., Ph.D., study author and chair of the Department of Preventive Medicine and director of the Environmental Health Center at Seoul National University College of Medicine in South Korea. “A 20 mm Hg increase in systolic blood pressure doubles the risk of cardiovascular disease.”

In this study, researchers conducted a randomized crossover trial recruiting 60 adults, mostly Korean women, over the age of 60 from a local community center. Each trial member visited the study site three times and was randomly provided with soy milk in either glass bottles or cans. Later urine was collected and tested for BPA concentration, blood pressure and heart rate variability two hours after consumption of each beverage.

Urinary BPA concentration increased by up to 1,600 percent after consuming canned beverages compared to after consuming the glass-bottled beverages.

Soy milk was the ideal beverage for the test because it has no known ingredient that elevates blood pressure, researchers said.

The study may provide important information for decision-makers, clinicians and the public on the heart risks associated with BPA, researchers said.

“Thanks to the crossover intervention trial design, we could control most of the potential confounders, such as population characteristics or past medical history. Time variables, such as daily temperatures, however, could still affect the results,” Hong said.

“I suggest consumers try to eat fresh foods or glass bottle-contained foods rather than canned foods and hopefully, manufacturers will develop and use healthy alternatives to BPA for the inner lining of can containers,” Hong said.

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Co-author is Sanghyuk Bae, M.D., Ph.D. Author disclosures and funding information are on the manuscript.

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Statements and conclusions of study authors published in American Heart Association scientific journals are solely those of the study authors and do not necessarily reflect the association’s policy or position. The association makes no representation or guarantee as to their accuracy or reliability. The association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific association programs and events. The association has strict policies to prevent these relationships from influencing the science content. Revenues from pharmaceutical and device corporations are available at http://www.heart.org/corporatefunding.

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Ralph Turchiano

I have a strong affinity for the sciences which led me to create my sites. My compulsion for the past decade has been reviewing literally every peer-reviewed research article. Which can easily be validated by following my posts. To me, science is where the real news is, as it will mold our destiny beyond that of politics or economics. 😉 Please feel free to e-mail: 161803p314159@gmail.com
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