After being diagnosed with MS, he started running marathons. It's helping reverse the disease's progression.
When Derek Stefureac was diagnosed with multiple sclerosis, a chronic disease that affects the centr...
When Derek Stefureac was diagnosed with multiple sclerosis, a chronic disease that affects the centr...
NYPD detective gearing up to run NYC Marathon NYPD detective gearing up to run NYC Marathon 04:15 Ar...