Hemophilia Drug Sharply Lowers Risk of Death or Severe Disability, Study Indicates A Therapysharply cuts the chances that victims of the most devastating type of stroke will die or be severely disabled, providing the first possible treatment for brain hemorrhages, researchers reported yesterday. An international study involving 400 patients found that a single infusion of the drug, a synthetic version of a naturally occurring protein, given within three hours after onset cut by about one-third the risk of death or severe disability among patients in the midst of a bleeding stroke. This type of stroke hits about 80,000 Americans each...