Patients hospitalized with fractures typically receive an injectable blood thinner, low-molecular-weight heparin, to prevent life-threatening blood clots. A new clinical trial, however, found that inexpensive over-the-counter aspirin is just as effective. The randomized clinical trial is the largest trial ever conducted on orthopedic trauma patients. "Many patients with fractures will likely strongly prefer to take a daily aspirin over receiving injections after we found that both give them similar outcomes for prevention of the most serious outcomes from blood clots," said Robert V. O'Toole, MD. Blood clots cause as many as 100,000 deaths in the U.S. each year. Patients who...