BPA stands for Bisphenol A. It’s an industrial chemical that has often been used in plastics and resins since the 1960s. While it was originally thought to be safe for human consumption and use in food grade materials, more recent studies have changed our understanding.
It is now indicated that this chemical may affect the brain, behavior of individuals, and the prostate glands of fetuses, infants, and young children. Studies have also indicated a possible link between BPA and high blood pressure. Given the mounting evidence of problems with BPA use, many thermos bottle manufacturers are starting to move away from using it in their products