DNA varies from person to person and, in some ways, group to group. Those variations may explain why many blacks require much less of a widely prescribed blood thinner than do whites.

Bariatric surgery brings the benefit of extraordinary weight loss, but it also carries some health hazards. One risk is blood clots, which may be avoided through various methods, some more effective than others.

Blood clots are among the rarer health issues that can occur during pregnancy. Though they are uncommon, it's helpful to know which women are at the highest risk for developing one.

People with abnormal heart rhythms are at a higher risk of getting blood clots, which can cause a stroke. A blood-thinning medication may help. But some questions remain if these medications cause the bleeding.

People with asthma know that they need to be on alert for asthma attacks to make sure they get the treatment they need. A recent study showed that they may also need to look out for signs of blood clots.

Aspirin is often used with prescription medicine to prevent blood clots after some medical procedures. But new evidence suggests dropping the aspirin to prevent bleeding.

Blood clots are very serious business that require treatment. But clot-busting medication can sometimes cause bleeding problems. Fortunately, a new medication may reduce bleeding side effects. 

About half of all strokes in infants and children result in bleeding in the brain. According to past studies, this bleeding may have a link to epilepsy.  

Who wants to be given a shot every single day for a month after surgery just to prevent the chance of developing a blood clot? People who really don’t want to get blood clots—that’s who.

Ischemic stroke is the third leading cause of death in the United States. Preventing future ischemic strokes means preventing more blood clots from forming.