Temat Twojej

While type O is the most common blood type overall, it's especially prevalent in the Latino-American community. According to the American Red Cross, approximately 53 percent of Latino-Americans are type O+ and 4 percent are type O-.

Whether or not you're Rh positive or Rh negative could have an impact on your pregnancy. According to the American College of Obstetricians and Gynecologists, problems can occur when a woman is Rh negative and her fetus is Rh positive, as this can result in something called Rh incompatibility.

"If the blood of an Rh-positive fetus gets into the bloodstream of an Rh-negative woman, her body will understand it is not her blood and will fight it by making anti-Rh antibodies," the organization explains. "These antibodies can cross the placenta and try to destroy the fetus's blood. This reaction can lead to serious health problems and even death in a fetus or newborn."

In addition to mental health issues, people with Rh-negative blood types are also more prone to developing allergies. In the same PLoS One study, researchers found that subjects with Rh-negative blood were slightly more likely to have skin allergies. And for more helpful information delivered straight to your inbox, sign up for our daily newsletter.