Discover why some people build muscle faster than others and learn science-backed strategies to optimize your muscle growth and strength training results. Giselle Castro-Sloboda Fitness and ...

The 30-year-old’s massive physical transformation was striking; his defined muscles were visible under his long-sleeved white t-shirt. He was also sporting black shorts and a longer hairstyle.

Bray has spinal muscular atrophy, a rare degenerative disease that's gradually robbed him of the ability to move his muscles. At age 29, he can no longer move his head, arms, hands or legs.