It began with fatigued legs and the slightest tingle at the tips of her fingers. Within days the tingling and weakness had spread throughout her body. Her chest ached. Her legs burned. Her arms felt weak. She didn't know it yet, but Shari Ka was in for the fight of her life. Ka was diagnosed with Guillain-Barre Syndrome (GBS), a rare disorder in which the body's immune system mistakenly attacks part of the peripheral nervous system. She was hospitalized, and, as her condition deteriorated, she was placed on a respirator to allow her to breathe. GBS sapped the strength from her body. Paralysis...