It is important to drink plenty of water in hot weather and experts are now recommending that you also keep that water cool. Researchers who study plastics are concerned that water bottles sitting in hot cars could leach chemicals into the water. UTMB’s Cheryl Watson recommends that people always stick to glass or stainless steel water containers which are inert and don’t leach anything into the water. This story also appears at Today.com, Francais Express and CMR News.