Bottles with BPA may harm babies

　　According to US media reports, the relevant US government agencies have recently admitted for the first time that the bisphenol A (also known as BPA) contained in ordinary plastics is "somewhat problematic". After that, the Canadian government also issued a ban: prohibiting the sale of baby bottles containing BPA. However, recent studies have shown that when plastic products containing BPA are heated or exposed to high temperature liquids, they will rapidly release harmful substances that can cause brain and tissue damage and induce cancer. How to choose a baby's plastic feeding bottle?

　　Canadian Health Minister Tony Clement said in a press conference: "In most instances, the negative effects are greater than we think. In fact, infants and young children are very sensitive to BPA during early development. "

　　"Bisphenol A (BPA) affects human development," warns a new report after collating federal research on the harmful effects of various chemicals, the National Institute of Toxicology (NTP), part of the National Academy of Environmental Health Sciences. The possibility cannot be ignored.” The reason for this is that more and more studies have shown that even low doses of BPA in pregnant women and infants may affect normal development and increase the probability of underlying breast and prostate cancer susceptibility. Toxicologist John Butcher said: "Exposure to BPA in pregnant women often results in significantly reduced differences in the sex characteristics of fetuses between males and females."

　　The U.S. Environmental Protection Agency (EPA) and the U.S. Food and Drug Administration (FDA) both claim that BPA is safe, based on some related chemical industry behavior studies. In its statement, the FDA said that if new information "indicates that existing data no longer support the safe use of these materials," they will take "appropriate corrective action." An FDA spokesman declined to comment further on the matter.

　　Since 1950, BPA has been widely used in the United States and around the world to make plastic products including baby bottles; likewise, epoxy resins are used in can liners to prevent corrosion and food contamination. In the United States, the annual production of BPA exceeds 1 billion kilograms, of which more than 3 million tons are widely used around the world.

　　Chemist Steven Henges, executive director of the American Chemical Society's Global Polycarbonate/BPA Study Group, insists that the chemicals are not harmful to adults, but it remains unclear whether infants are exposed to doses that could.

　　However, the Canadian government has not banned epoxy-lined canned foods, including some infant formula containers for which there is no alternative. "So far, there are no BPA-free infant formula cans," Clement said. "We will work with manufacturers to find alternative technologies for can liners as soon as possible to reduce BPA use." Canadian retailers have taken steps to reduce sales of all polycarbonate beverage bottles to meet consumer demand. U.S. retail giant Walmart said it plans to stop selling all polycarbonate bottles in Canada, and will stop selling it in the U.S. next year.

　　Under normal circumstances, a small amount of BPA will penetrate from the polycarbonate plastic bottle into the contents of the bottle. In order to identify the polycarbonate plastic bottle, the bottle body will be marked with the No. 7 recycling code or the letter PC (polycarbonate). Recent studies have shown that chemicals achieve the fastest BPA release rates when worn or exposed to high temperature liquids.

　　Canadian officials say they will conduct more research, including testing about 5,000 pregnant women and their babies for BPA exposure levels. U.S. industry, academia and government officials also plan to conduct more research, including studies of pregnant macaques to analyze how BPA interacts with the human body and affects human development. Therefore, parents should know more about the texture and safety of milk bottles when purchasing milk bottles.

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