Researchers at the University of Maryland (UMD) found that people with type A blood are more likely to experience an early-onset ischemic stroke — caused by a blockage of blood flow to the brain — while those with blood type O have a lower risk. “The number of people with early strokes is rising,” said Dr. Steven J. Kittner, co-principal investigator of the study and neurologist with the UMD Medical Center. “These people are more likely to die from the life-threatening event, and survivors potentially face decades with disability. Despite this, there is little research on the causes of early...