Do people with the same blood type have any other similarities? As it turns out, they may be more prone to contracting certain diseases. In particular, scientists have established a connection between blood groups and the risk of developing cancer and cardiovascular and some infectious diseases. Blood types have been shown to influence susceptibility to pancreatitis and gastrointestinal disease. Among all blood types, the first (O) has the lowest risk for most diseases.

Keep in mind that if your blood type has a predisposition to a certain disease, it does not mean that you will necessarily get sick. Remember to wash your hands, visit the doctor, and all that stuff to minimize the potential danger.

1.Cancer

Recent studies show that people with the O blood type have a lower risk of developing pancreatic cancer. Other studies have found that the A types increase the risk of developing stomach cancer.

2.Cardiovascular diseases

Meta-analyses confirm that the A, B, and AB types have a higher risk of developing venous thrombosis. This is attributed to the increased Willebrand factor, which is responsible for blood clotting. Having a much lower Willebrand factor, the O types also have a lower risk of stroke, myocardial infarction, and peripheral artery disease.

3.Infectious diseases

The O types are more prone to be affected by Helicobacter pylori, which infects the stomach and duodenum. In addition, such people are more susceptible to diseases caused by cholera, Escherichia coli, and norovirus. However, people with the O blood type recover from malaria faster. 

4.Infertility

Recent research showed that women with type O might have pregnancy issues due to higher levels of FSH (follicle-stimulating hormone), which result in fewer egg cells being produced. In another study, scientists found that B types had a higher success rate of IVF than those with types O and A. 

5.Memory loss

If you ever felt special for having the rarest AB blood type, you might not like the following statement. In 2014, researchers suggested that AB types were 82% more likely to develop some sort of cognitive issues later in life.

6.Type II diabetes

While you can’t do much about type I diabetes, you should know that people with A and B types are 20% more prone to develop type II diabetes.

woman with diabetes checking her blood sugar

7.Special diet

And finally, let’s talk about the infamous blood-type diet. This diet is said to improve your health and lower the risk of contracting diseases by including or excluding certain foods from your daily life. However, researchers have not found any conclusive results that would prove the diet’s effectiveness. That said, eating healthy will most likely make you feel better, so it’s worth trying, at least. Although it probably has nothing to do with your blood type.

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