11-Year-Old California Boy Is Climbing the World's Tallest Mountains for Children with Muscular Dystrophy | Sierra Skin Institute

11-Year-Old California Boy Is Climbing the World's Tallest Mountains for Children with Muscular Dystrophy
"My goal is to raise one million dollars, so that one day the boys with Duchenne will hike with me," Tyler Armstrong tells PEOPLE
Sierra Skin Institute offers cosmetic services in Reno, NV.