Coffee and Antioxidants: Why Your Morning Cup Is More Powerful Than You Think Your Health Magazine 15 Glutathione Benefits: How to Improve Your Mind & Body Many people believe drinking tea or coffee helps sober up faster after alcohol, but experts say that's a myth. According to public health specialist Dr. Jagadish Hiremath, caffeine does not speed up Think coffee dehydrates you? Not true. In fact, if you drink fewer than 10 cups of coffee or tea per day, you won't get dehydratedand you'll benefit from powerful bioactives like