Blood type could determine diabetes risk

A large-scale study published in Diabetologia reveals that your blood type may determine your risk for developing type 2 diabetes.

More than 80,000 women from the E3N cohort in France were involved in the new research, which found significant differences between blood groups and diabetes risk.

Women with blood group A were 10 percent more likely to develop type 2 diabetes than women with type-O blood, while women with type B-blood were 21 percent more likely to develop the condition than O-blood people. Individuals with AB blood were found to be 17 percent more likely to develop type 2 diabetes, but the authors say this result is not statistically significant.

ABO and Rhesus factor

Results also showed a relationship between ABO blood types (A, B, AB, and O) and Rhesus factor (whether the blood type is positive or negative).

Type 2 diabetes risk was found to be highest in women with B+ blood, followed in order by women with AB+, A-, and A+.

"The present study shows for the first time in a large prospective cohort that specific ABO blood groups are associated with an increased type 2 diabetes risk," said Dr. Guy Fagherazzi, study author.

The reasons for the increased diabetes risk and blood type association aren't entirely clear; however, research suggests that certain blood types may increase inflammation markers more than others.

Source: Diabetologia

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