Greg Cohen Battles Rare Autoimmune Disease while tackling Walt Disney World Marathon B-Roll and Soundbites

In 2017, Greg Cohen, a fitness trainer who had always led an active lifestyle, unexpectedly began experiencing numbness and pain in his hands and limbs, the result of a rare and incurable autoimmune disease called scleroderma. But Cohen of Los Angeles didn’t let that stop him from tackling the Walt Disney World Marathon on Sunday.