There are many factors that can put you at an increased risk of having a stroke —and blood type may be one of them, a new study says.
At the American Stroke Association’s (ASA) 2021 International Stroke Conference, research funded by the National Institute of Neurological Disorders and Stroke looked at the association between blood type and stroke risk. According to the study, the researchers found that non-O blood types (A, B, or AB) may be at an increased risk of early-onset stroke for women who smoke and take oral contraceptives.
The researchers looked at nearly 350 women who had experienced a stroke before the age of 50 and compared their data to 383 women who had not had a stroke. They concluded that women with non-O blood types who smoked and took oral contraceptives were nearly twice as likely to have a stroke before turning 50.