The Use Of Bisphenol A ( Bpa )

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Background The use of bisphenol A (BPA) in consumer products has been controversial and reemerging as a purported threat to public and environmental health. Since its first uses as a xenoestrogen in the early 1900s, BPA is now used extensively in plastics, food packaging, thermal receipts, and dental products. With estimated annual production of BPA exceeding 4 million metric tons, humans are exposed to BPA through a variety of routes, including ingestion through dietary sources, dermal exposure through thermal receipts, and inhalation of household dust (Michalowicz, 2014). Animal research models have extensively demonstrated the endocrine disrupting potential of BPA. Furthermore, correlational epidemiological studies in humans have…show more content…
In addition to exposure from food products, occupational and environmental exposures pose additional and potentially concerning public health threats. Occupational exposure occurs primarily in industrial workers involved in the production and processing of BPA and other epoxy resins via inhalation and dermal contact. Its widespread use in thermal paper (as found in cash register receipts, books, labels, brochures, newspapers, food cartons) also implicates potential dermal exposure in cashiers and industrial paper workers (Michalowicz, 2014). It is such human industrial activity that is associated with the migration of BPA into the environment. Several research studies have demonstrated the leaching of BPA from polycarbonates, especially in the setting of prolonged use and repeated heating as can be seen in the use of infant bottles (Nam, Seo, & Kim, 2010). Similarly, BPA’s use in tin lacquer coatings (to prevent corrosion) has been shown to release up to 23 mcg per tin can, in a temperature-dependent fashion (Vandenberg et al., 2007). Such BPA exposures with their potential health risks have led some government and industrial organizations to cease, limit, or ban the use of BPA (Michalowicz, 2014). As this report will explore, more recent research suggests a poorer relationship between BPA and adverse human health outcomes, while also highlighting the need for additional studies on the broader
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