Some of the chemicals from plastic water bottles can leak into the water when it is exposed to heat. Board-certified physician Dr. Leigh Vinocur warns "Morning in America with Hena Doba" why it's dangerous to drink from them after they've been left behind in a hot car. Start your day with "Morning in America," NewsNation's live three-hour national weekend morning newscast hosted by Hena Doba. Saturday and Sunday starting at 7a/6C. #MorningInAmerica NewsNation is your source for fact-based, unbiased news for all Americans. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij