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BPA Linked To Higher Blood Pressure And Heart Disease
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What are the risks of BPA exposure?
In addition to hormonal problems, BPA exposure has been linked to:
Increased blood pressure. A study by the Seoul National University of Medicine was performed on volunteers over the age of 60, and it showed that BPA exposure not only led to an increase in blood pressure, but that such increases could happen much easier than once thought.
In the experiment, volunteers were instructed to drink soy milk from either BPA-lined cans, or from glass bottles. Soy milk was chosen because previous studies have shown that it does not cause an increase in blood pressure. The participants were also instructed to fast for eight hours before drinking the soy milk, and for two hours after before blood pressure was checked. This was to ensure there were no other factors that could cause any change in blood pressure.
The results gave some cause for concern. The group that drank soy milk from BPA-lined cans showed a 5 mg increase in systolic blood pressure after drinking the soy milk. To put that in perspective, a 20 mg increase in systolic blood pressure is all it takes to double one’s risk of cardiovascular disease.
BPA blood concentration. The higher the concentration of BPA in the bloodstream, the more likely someone is to encounter health problems. What’s truly alarming about the recent findings is how easy it is to accumulate dangerously high levels of BPA in the body.
The study mentioned above also measured the BPA blood concentration in the participants after drinking the soy milk. It was discovered that merely drinking two cans of soy milk from BPA-lined cans led to 1600 percent increase in BPA concentration.
The soy milk cans may have been an extreme case, but BPA is so ubiquitous in the manufacturing of cans, bottles, and plastic containers that people are almost assuredly exposing themselves to high concentrations of it without even knowing. A different study showed that simply eating soup from BPA-lined cans five days in a row led to a 1000 percent increase in blood concentration of BPA.
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