Diseases to which your blood type may be at risk. The risk of having a heart attack, stroke and cancer is increasing

Each of us has a blood type, but not all of us know it. Many people are also unaware that certain blood groups can increase the risk of certain diseases. Among them are, among others pancreatic cancer, stomach cancer, heart disease, stroke. Scientists looked at these links. What did the research show?

1. Many studies suggest that certain blood groups may raise the risk of specific diseases. Scientists are still exploring this topic
2. The analyzes so far show, inter alia, that people with blood group A, B or AB, the risk of ischemic heart disease is higher than in people with blood group 0
3. Blood group A or B was also associated with a higher risk of heart attack and an increased risk of heart failure
4. Research also shows a link between blood groups and the risk of stomach cancer, pancreatic cancer and other cancers
5. Doctors reassure you that your blood group is only one factor that contributes to the risk of certain diseases. Instead of getting upset, it is worth using the information obtained to take better care of yourself
6. More information can be found on the Onet homepage

What blood groups mean – the most important information

We inherit our blood type, just like our eye color, from our parents (there are several combinations of gene combinations, which means that we can have a different blood type than mom and dad).

Second important piece of information: your blood type depends on the type of proteins (antigens) on the surface of red blood cells. Depending on this, the blood will be classified as type A, type B, type AB or type 0. “When antigens come into contact with substances unknown to the body, such as certain bacteria, they trigger a reaction from the immune system” – reminds the doctor from the Abramson Cancer Center in Cherry Hill, Dr. Douglas Guggenheim. The Rh factor (responsible for serological conflict) is another type of antigen found only in red blood cells. When we have it on our blood cells then the blood group is Rh +, when it is not, Rh-.

In most cases, the purpose of blood grouping is to find out who is safe to donate blood to or from whom it can be obtained. However, there are studies that suggest that a given blood type may also increase the risk of certain diseases. What kind? We present the results of some analyzes.

The rest of the text is below the video.

Blood groups and heart disease

In 2012, the Harvard School of Public Health conducted a study which concluded that the risk of heart disease may be related to the blood type. Researchers found that people with blood group A, B or AB have a higher risk of coronary heart disease than people with blood group 0. In those with the rarest blood type – AB, the risk was the highest. This is because of the AB0 gene, which is present in people with blood groups A, B or AB (blood group 0 does not have it).

«It is good to know your blood group as well as your cholesterol or blood pressure. If you know you are at higher risk, you can reduce it by practicing healthier lifestyles such as eating right, exercising and not smoking, ”the authors wrote in the American Heart Association (AHA) journal.

It is also worth mentioning that the results of the preliminary study from 2017 showed that people with the ABO gene are more likely to suffer from a heart attack during periods of high air pollution. A 2020 study published in Arteriosclerosis, Thrombosis and Vascular Biology showed that compared to people with type 0 blood, people with type A or B had a higher risk of heart attack and an increased risk of heart failure.

Blood groups and risk of stroke

Blood group AB is associated with an increased risk of stroke, suggests a 2014 study. Doctors believe that this is because the AB group is associated with a greater likelihood of blood clots (one of the leading causes of strokes). Researchers from the University Hospital in Copenhagen found that people with the blood type AB are 4 percent. more likely to develop blood clots than people with blood group 0.

Which blood groups increase the risk of stomach cancer?

Scientists have looked at the possible relationship between blood type and stomach cancer, one of the most commonly diagnosed cancers, on more than one occasion. In 2019, Chinese researchers confirmed that compared to blood group 0, groups A and AB were associated with an increased risk of this cancer. Another study found that blood type B was associated with a much lower risk of stomach cancer, but also bladder cancer.

Which blood groups increase the risk of pancreatic cancer?

Blood group also appears to be linked to the risk of pancreatic cancer, one of the deadliest cancers. A study published in the Journal of the National Cancer Institute suggests that people with blood groups A, B, or AB may have a higher risk of developing pancreatic cancer. The lowest risk was blood type 0.

In the work, scientists analyzed data from over 107,5 thousand. people. On their basis, they assessed that compared to people with blood group 0, people with blood type A had 32 percent. higher risk of developing pancreatic cancer, in people with blood group AB it was 51 percent. higher, in holders of group B by 72 percent. higher.

Blood groups and risk of other cancers

A 2017 Shanghai cohort study focused on the relationship between the AB0 system and cancer risk. The results suggested, among other things, that blood group AB was associated with a higher risk of liver cancer.

“The results of this study confirm the role of AB0-related genetic traits in the development of gastrointestinal and urinary tract cancers,” reads the study. However, they were not associated with the risk of developing sarcoma, lymphoma, leukemia, or other types of cancer cells.

How blood type affects your health – what does it mean for you? Doctors say straight

Finally, an important note. Your blood group is just one factor that contributes to the risk of certain diseases. Dr. Guggenheim, already quoted, said: “While your blood type may put you at greater risk for certain medical conditions, nothing is final. Knowing how your blood type can affect your health is a good start, but it is equally important to visit your doctor regularly and lead a healthy lifestyle »- he emphasized.

Dr. Mary Cushman of the University of Vermont Medical Center in Burlington made a similar statement. The expert advises people not to be nervous about these discoveries, but to use them to consider how they can take better care of themselves.

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