Oh, Those Chemical Cans!

Now we’re learning that even cans are adding to the chemical cocktails modern folks ingest every day.

In one of the first studies to quantify bisphenol A (BPA) levels in humans after consuming canned foods, researchers at the Harvard School of Public Health found that a group of volunteers who ate a serving of canned soup every day for five days had more than a 1,000 percent increase in urinary BPA compared to levels when the same volunteers feasted on fresh soup daily for five days.

Exposure to the endocrine-disrupting chemical BPA, used in the linings of metal food and beverage cans, has been shown to interfere with reproductive development in animals and has been linked with cardiovascular disease, diabetes and obesity in humans.

In addition to the linings of food and beverage cans, BPA is also found in polycarbonate bottles (identified by the recycling number 7) and dentistry composites and sealants.

The findings were published in the Journal of the Medical Association.

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