-- Robert Preidt
FRIDAY, Aug. 19 (HealthDay News) -- Paper money worldwide is
contaminated with the potentially toxic chemical bisphenol A (BPA),
according to a new study.
BPA is used to make some plastics and consumer products such as
water bottles, household electronics and sports equipment. Research
suggests that BPA is an endocrine disruptor, which means that it
acts like the hormone estrogen, and may be linked to a number of
Researchers analyzed 156 pieces of paper money from 21 countries
and found that all of the bills contained traces of BPA. Paper
money from Brazil, the Czech Republic and Australia had the highest
BPA levels, while bills from the Philippines, Thailand and Vietnam
had the lowest levels. U.S. notes had average levels, the study
authors said in a news release from the American Chemical
Thermal paper used for cash register receipts is the most likely
source of the BPA contamination on the money, according to the
researchers, Kurunthachalam Kannan and Chunyang Liao of the
Wadsworth Center at the New York State Department of Health, and
Department of Environmental Health Sciences, School of Public
Health, State University of New York at Albany. Thermal paper is so
named because it contains a chemical that changes color when
exposed to heat.
The investigators also noted that while the amounts of the
chemical on paper money are higher than what's found in house dust,
human intake of BPA from paper money is at least 10 times lower
than intake from house dust.
The report was published in a recent issue of the journal
Environmental Science & Technology.
The U.S. National Library of Medicine has more about
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