FASTER, PLEASE: Pill Could Reverse Effects of a Stroke Long After It Hits. “For the 800,000 people in the United States who suffer a stroke each year, the window for drug therapy closes in the first few hours after the attack. That leaves some seven million stroke survivors in this country alone with no medical alternative beyond physical therapy. A small pharmaceutical company in New York hopes to change that with a drug that may help patients regain some of their lost mobility six months or more after a stroke.”