People with this blood type have a greater chance of having a stroke before the age of 60
We are born with a blood type that we did not choose, and over the course of our lives this number has several meanings - now research has found that there is a connection to the risk of stroke - one of the most dangerous medical conditions
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04/09/2022
Sunday, 04 September 2022, 06:03 Updated: 07:23
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Dr. Moran Huisman-Kedem explains the causes of strokes in children and how to identify them (Walla system)
Unfortunately, in recent years we hear about more and more stroke cases among young people, and even though it is a known medical condition, doctors do not know what the cause is in many cases.
Now, researchers from the University of Maryland School of Medicine (UMSOM) whose research was published in the journal Neurology suggest that our blood type may hold the answer to predicting whether someone will suffer a stroke.
"The number of people with strokes at an early age is increasing. These people are more likely to die from the life-threatening event, and survivors may face decades of disability. Despite this, there is little research into the causes of early strokes," says one of the researchers, Dr. Stephen G. Jay Kittner, a neurology specialist at the University of Maryland Medical Center, in a press release.
The team of researchers conducted a meta-analysis of 48 different studies on genetics and ischemic stroke.
In total, the study included 17,000 stroke patients and 600,000 healthy people in the control group.
Following this, they examined all the chromosomes collected to find genetic variants associated with stroke, and eventually found a link between an early stroke before the age of 60 and the region of the chromosome containing the gene that determines the blood type.
Their findings showed that those who had an early stroke were more likely to have type A blood and less likely to have type O blood, which is the most common type.
Those who had a stroke later in life or people who had never experienced a stroke did not show these results.
What else does blood type do to our health?
Blood test (Photo: ShutterStock)
However, the researchers found that early and late stroke sufferers were more likely to have type B blood compared to the control group.
Overall, after taking variables such as age, sex, socioeconomic status and more out of the equation, the team found that those with blood type A had a 16 percent higher risk of early stroke compared to those with other types.
Those with type O blood had a 12 percent lower risk of early stroke.
"We still don't know why blood type A causes a higher risk, but it is likely to have something to do with clotting factors such as platelets and cells lining the blood vessels as well as other circulating proteins, all of which play a role in the development of blood clots," explains Dr. Kittner. .
Since the reasons and the exact mechanism for these results are unknown, Dr. Kittner and the team do not see an end to this research in the near future, and hope that additional studies will continue to investigate the issue with a greater variety of patients. "Obviously, we need more follow-up studies to clarify the mechanisms of increased risk for a stroke," the researchers concluded.
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