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Blood Type Could Increase Chances For Certain Health Problems

By Robert Preidt
HealthDay reporter

MONDAY May 3, 2021 (HealthDay News) – Certain blood types can increase a person’s risk for different health problems, a new study suggests.

Research confirms some earlier findings and reveals new links between blood groups and disease, study authors published April 27 in the journal eLife.

“There is still very little information available on whether people with RhD-positive or RhD-negative blood groups may be at risk for certain diseases, or how many other diseases may be affected by the group. blood or group, “said lead author Torsten Dahlén, a doctoral student at the Karolinska Institute in Stockholm.

To help fill this gap, researchers studied the link between blood groups, RhD status and more than 1,000 diseases. (A RhD positive person has a protein called D antigen on their red blood cells; RhD negative means the protein is missing.)

Analysis of health data from more than 5 million people in Sweden identified 49 diseases related to blood groups, and one associated with the RhD group.


The results showed that people with type A blood were more likely to have blood clots; those with type O blood were more likely to have a bleeding disorder; and women with type O blood were more likely to develop pregnancy-induced high blood pressure (“hypertension”).

Investigators also found a new link between type B blood and a lower risk of kidney stones, and noted that RhD-positive women are more likely to develop pregnancy-induced hypertension.

More research is needed to confirm these findings and to learn more about the links between blood type and disease risks, according to the study’s authors.

“Our results highlight new and interesting relationships between conditions such as kidney stones and pregnancy-induced hypertension and blood group or group,” said lead author Gustaf Edgren, associate professor of epidemiology at the Karolinska Institute.

“They lay the groundwork for future studies to identify the mechanisms behind the development of the disease, or to research new ways to identify and treat people with certain conditions,” Edgren added in a press release.


More information

The American Red Cross has more on blood types.

SOURCE: eLife, press release, April 27, 2021


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