What happens to body if person drinks hot water in morning on empty stomach?

John Valentine, board-certified MD, said a person undergoes detoxification process if they drink hot water in morning on empty stomach. "Hot water wakes up...lymphatic system, flushes out toxins," he stated. He stated drinking hot water boosts metabolism and helps in burning more fat without changing diet. Blood flows more efficiently, nutrients travel faster if person drinks hot water, he added.