A 55-year-old member asked:
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is type 1 diabetes hereditary?

2 doctor answers
Dr. Alvin Fried
63 years experience Diabetology
Yes and no: The potential for type 1 diabetes is probably inherited just like everything we have is inherited. However, there needs to be some sort of trigger to bring the tendency to the point of being an active disease. At present we don't know what that trigger is.
Answered on Aug 12, 2015
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Dr. Quang Nguyen
Specializes in Endocrinology
Sort of: One in 400-500 people in the general population develops t1d, but 1 in 20 (5 percent) people are at risk if a parent, sibling, or child has the disease. That means that genes are important and play a role but it's not everything. Environmental factors are also involved that increase the risk for these genes to cause diabetes type 1. We are still trying to find out what and how it does this.
Answered on Jul 29, 2012
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