WATCH: Teen returns to cheerleading after receiving 2nd chance at life

ABC News’ Dr. Tara Narula shares the story of 17-year-old Macey Brown, who faced a number of health challenges but still maintains her love of the sport.

​ABC News’ Dr. Tara Narula shares the story of 17-year-old Macey Brown, who faced a number of health challenges but still maintains her love of the sport.  GMA ABC News’ Dr. Tara Narula shares the story of 17-year-old Macey Brown, who faced a number of health challenges but still maintains her love of the sport.