Dr. Andrew Freeman, a cardiologist at National Jewish Health in Denver, told TODAY.com the best habit isn't complicated. Roll out of bed, put on gym clothes, and just get it done before the day starts. "You don't have to worry about it," he said. He pushes back on patients who say they're too busy taking care of family, reminding them that skipping their own health eventually limits their ability to care for anyone else. Twenty to thirty minutes is enough to start. Consistency matters more than