Blood Type

Research studies have shown that blood types A and B have a higher risk of blood clots versus O blood type, therefore escalating strokes and heart disease. Blood clots that cause strokes can happen anywhere in the body: heart, lungs, legs, or the brain.

There are contributing factors that increase this risk depending on your health issues and your lifestyle. Or it can be what is called a “silent” stroke versus an ischemic stroke, the most common. It may go undetected until you notice your brain is not remembering as it should or you have an MRI showing damage.

A recent study, done at the University of Copenhagen in the Netherlands and published in the journal of Atherosclerosis, Thrombosis and Vascular Biology found that compared to type O blood, type A and B groups were 51% more likely to develop DVTs and lung thrombosis or clots. This logically would follow that blood type AB, even though rarer, shows a 29% higher risk for both men and women for clots.

Actually, these two types are the most common vascular diseases, affecting almost 900,000 Americans a year and resulting in 100,000 deaths. Type B blood had a 17% higher risk of thrombosis for women versus men. This study also found blood types A and B had an 8% higher risk of heart attacks.

5. Health Issues Increase Risk of Stroke

Blood Pressure

Many of the common health issues of the day like high blood pressure, high cholesterol, and obesity can be more likely to raise the stroke risk in ABO blood types.

Diabetes and heart disease are two of the most common chronic health conditions that can increase clot risk.

4. Surgery or Trauma Can Cause Strokes

Surgery Equipment Was Non Sterile

Anytime you have any trauma to the body, whether it’s surgery, accidents of any type, or just a broken bone it can increase the likelihood of blood clots. This is especially true when you may be immobilized due to broken bones, in a coma, or healing with little movement.

3. Lifestyle Issues That Increase Stroke Risk

Stressed Out

As with many other problems, our lifestyle can reflect more health issues and also cause increased stroke risk. These include our stress, smoking or tobacco use, a poor diet, a greater intake of alcohol, and a lack of exercise.

2. Oral Contraceptives and Strokes

Birth Control Pills

Studies have found that even women who use oral contraceptives can have twice the risk of strokes, especially before the age of 50. It is recommended that women who smoke and are older than 35 should not use an oral contraceptive.

1. Know the Symptoms of Strokes to Prevent More Damage


The typical symptoms of a possible stroke can include sudden numbness/weakness, especially on one side of the body, confusion, trouble speaking, or understanding.

You could have a bad headache, trouble seeing from either one or both eyes, problems with coordination and walking, or loss of balance; all could be symptoms of a stroke. Seek immediate medical attention, which can minimize stroke damage.

All of the studies and research so far are preliminary and are ongoing; it could have a genetic aspect or new finding of some other clearer definitive results. Just be aware and knowledgeable about what is happening to your own body.

Related: Is It a Stroke? Don’t Ignore the Signs


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