The chemical bisphenolA (BPA)In plastic food containers and plastic bags can damage pancreatic-cell DNA,hindering the pancreas's ability to regulate blood sugar. This raises the risk of fatigue and insulin resistance, according to research in the journal Environmental Health Perspectives. BPA leaches into food only when plastic is heated, like when it's micowaved or sits in a hot car or outdoors on a summer day. says Paula Baillie-Hamilton,M.D. Ph.D author of Toxic Overload(Avery,2005)
To prevent this, heat and store food in BPA-free containers like ceramic and glass, or store food in a cooler while traveling or outdoors