Scholars at the Karolinska Institute in Sweden began their research half a century ago.
See also: Top 7 facts about blood type, which you might not know
They monitored patients in UK clinics. Over 35 years, more than a million patients have been investigated. During the experiments, it was found that people with the first group of blood are less susceptible to cancer.
People with the first blood group are least affected by oncology.
As for people with other blood groups, scientists have concluded that people who have type II blood most often suffer from stomach cancer, and those with blood group III and IV most often suffer from pancreatic cancer.
According to scientists, the main causes of cancer are alcohol, tobacco use and anti-nonsteroidal anti-inflammatory drugs.
Previously, experts from the US National Center for Biotechnology Information found that owners of the first blood group are more likely to be prone to gastritis and ulcerative forms of the disease.
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