PERSEVERANCE=Real Heros: Despite having Multiple Sclerosis, Jacob Bell is still able to play with his two-year-old daughter, Mackenzie. Bell is an MS Ambassador, and is doing what he can to raise awareness of the disease. The active 30-year-old and father of a young daughter can't get overheated or stressed. And indulging in some of his favorite activities such as boating on the lake can trigger symptoms.Some days I'll pay for it,The worst a person with MS can do is worry themselves sick said Bell."