Heartwarming moment Minnesota boy with cerebral palsy uses HEAVY METAL for therapy

Have you witnessed the medical benefits of Metallica, Megadeth and Slayer? Richard McDeid of Minnesota discovered that heavy metal music provided a calming effect for his son Mason, who has cerebral palsy. Together, the father-son duo have traveled across the United States to see 1,200 metal bands and even started a metal music festival that shares their passion.

The heartwarming video is from May 28.