Association of ABO and Rh blood group phenotypes with type 2 diabetes mellitus at Felege Hiwot Comprehensive referral Hospital Bahir Dar, Northwest Ethopia. P766 ABO blood groups and ulcerative colitis: A hospital-based study in central Taiwan. Prevalence of ABO and Rh blood groups in systemic lupus erythematosus and their association with disease activity. Is there an association of ABO blood groups and rhesus factor with alopecia areata? Blood groups and discoid lupus erythematosus. ABO histo-blood group might modulate predisposition to Crohn's disease and affect disease behavior. ABO and Rhesus blood groups and risk of type 2 diabetes: Evidence from the large E3N cohort study. Type 2 diabetes: How much of an autoimmune disease? Investigation of blood groups in benign thyroid diseases in Turkey. Common rhematic diseases and musculoskeletal conditions.Is there a relation between ABO blood groups and clinical outcome in ratients with pemphigoid? The prevalence of autoimmune disorders in women: A narrative review. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. A 2014 study involving participants from Italy and Belgium demonstrated similar results of the 2020 Korean study above, showing that those with blood type O had a lower chance for developing Crohn’s disease or having a severe form of the disease.A 2020 study from Korea showed a possible protective effect of having blood type O in those with Crohn’s disease.A 2020 study found no association between the prevalence of ulcerative colitis and blood type in a group of 129 patients from Taiwan.The researchers found that people with blood type AB responded better to the medication infliximab, while those with type A seemed to have an increased risk for losing response to it. A 2016 Chinese study found no association between blood type and the prevalence of Crohn’s disease in a group of 293 people.

Here is a brief overview of some of the recent data on IBD and blood type: There are two main types of inflammatory bowel disease (IBD) - ulcerative colitis and Crohn’s disease. Overall, the data regarding blood type and its association with diabetes is still very conflicting and requires continued research. A large 2015 study of 82,104 women showed that people with type O blood had a lower risk for type 2 diabetes, while both A and B blood type groups were shown to be at a higher risk with no association in Rh factor.They discovered that in a group of 2,258 university students, people with a B blood type were more likely to develop diabetes than those with other blood types. In a 2017 study from Pakistan, researchers found similar results.Another 2020 study looked at 750 participants and found that risk of developing type 2 diabetes was higher in blood group A than those in any other blood group.A 2020 study found that in a group of 424 people, O blood type was associated with a decreased risk of type 2 diabetes, and blood type B was associated with an increased risk.The data is conflicting in this area, as you can see from some recent research results: Some researchers hypothesize that type 2 may also be an autoimmune disorder, but more research is needed to understand how it develops. Type 2 diabetes is when your body becomes resistant to the hormone insulin or doesn’t produce enough insulin. Type 1 diabetes is thought to be an autoimmune disease where your body attacks cells in your pancreas.

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