Thermal Paper Cash Register Receipts Causing High BPA Levels in Humans

Author: University of Missouri
Published: 2017/05/10 - Updated: 2023/09/16
Publication Type: Study
Contents: Summary - Main - Related Publications

Synopsis: University of Missouri research reveals BPA from thermal paper used in cash register receipts accounts for high levels of BPA in humans. Store and fast food receipts, airline tickets, ATM receipts and other thermal papers all use massive amounts of BPA on the surface of the paper. Hand sanitizers, creams, soaps and sunscreens on our hands drastically alter the absorption rate of the BPA found on these receipts.

Bisphenol A (BPA)

Bisphenol A (BPA) is an industrial chemical used primarily to make polycarbonate plastic and epoxy resins. It is a colorless solid that is soluble in organic solvents, but poorly soluble in water. It has been in commercial use since 1957 and used in countless applications such as water bottles, sports equipment, CDs, and DVDs. Epoxy resins containing BPA are used to line water pipes, as coatings on the inside of many food and beverage cans and in making thermal paper such as that used in sales receipts. In 2015, an estimated 4 million tonnes of BPA chemical were produced for manufacturing polycarbonate plastic, making it one of the highest volume of chemicals produced worldwide.

Main Digest

Research conducted at the University of Missouri is providing the first data that BPA from thermal paper used in cash register receipts accounts for high levels of BPA in humans. Subjects studied showed a rapid increase of BPA in their blood after using a skin care product and then touching a store receipt with BPA.

"BPA first was developed by a biochemist and tested as an artificial estrogen supplement," said Frederick vom Saal, Curators Professor of Biological Sciences in the College of Arts and Science at MU.

As an endocrine disrupting chemical, BPA has been demonstrated to alter signaling mechanisms involving estrogen and other hormones.

Massive Amounts of BPA

Store and fast food receipts, airline tickets, ATM receipts and other thermal papers all use massive amounts of BPA on the surface of the paper as a print developer.

The problem is, we as consumers have hand sanitizers, hand creams, soaps and sunscreens on our hands that drastically alter the absorption rate of the BPA found on these receipts."

In the study, researchers tested human subjects who cleaned their hands with hand sanitizer and then held thermal paper receipts.

Continued below image.
Miniature shopping cart in front of a cash register receipt.
Miniature shopping cart in front of a cash register receipt.
Continued...

As an added step, subjects who had handled the thermal paper then ate French fries with their hands. The result was that BPA was absorbed very rapidly, vom Saal said.

"Our research found that large amounts of BPA can be transferred to your hands and then to the food you hold and eat as well as be absorbed through your skin," vom Saal said.

BPA exhibits hormone-like properties and has been proven to cause reproductive defects in fetuses, infants, children and adults as well as cancer, metabolic and immune problems in rodents.

BPA from thermal papers will be absorbed into your blood rapidly; at those levels, many diseases such as diabetes and disorders such as obesity increase as well.

Use of BPA, or other similar chemicals that are being used to replace BPA in thermal paper, pose a threat to human health.

The study, "Holding thermal receipt paper and eating food after using hand sanitizer results in high blood bioactive and urine total levels of bisphenol A (BPA)".

Attribution/Source(s):

This quality-reviewed publication pertaining to our Warnings and Advisories section was selected for circulation by the editors of Disabled World due to its likely interest to our disability community readers. Though the content may have been edited for style, clarity, or length, the article "Thermal Paper Cash Register Receipts Causing High BPA Levels in Humans" was originally written by University of Missouri, and submitted for publishing on 2017/05/10 (Edit Update: 2023/09/16). Should you require further information or clarification, University of Missouri can be contacted at the missouri.edu website. Disabled World makes no warranties or representations in connection therewith.

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