Some plastic food and beverage containers still contain bisphenol A (BPA), which can mimic the hormone oestrogen, and researchers from the American Chemical Society (ACS) have reported that, in mice, BPA can activate an immune response that persists for at least three generations.
Although experts say that small amounts of BPA detected in foods are unlikely to cause problems to health, some are concerned that constant low-level exposures could have long-term health effects, especially for developing foetuses, infants and children.