I'm sure you've heard the bad news. Polycarbonate water bottles that contain the chemical Bisphenol A, like the ever popular ones made by Nalgene, are probably bad for you. Studies show that hard, clear plastics might possibly cause cancerous tumors, urinary tract problems, and early puberty.
For fitness fanatics and nature lovers, owning a Nalgene water bottle was as essential as a sports bra — a must-have to stay hydrated and reduce your plastic footprint. For years it seemed like there was a Nalgene bottle next to every machine at the gym. Then the scare hit.