First of all, you have to know that I am a “dog” person. I have bred dogs, and I have had dogs with genetic diseases. Thus I “get” genetic disease, on a very crude basis, but I get it.
There are two types of genetic problems.
Some involve single genes — we find them pretty easily in the dog world. They are usually recessive, and you see them pretty quickly. Recessive genes in dogs cause things like white color in boxes. It’s also associated with deafness in boxes.
Some involve multiple genes — hip dysplasia is a good example. We’re pretty sure multiple genes cause the problem, and that simple elimination of affected dogs from the gene pool won’t solve the problem.
But here’s the problem with diabetes. Diabetes itself is not a disease. It can’t be. Not with the multiple types. Diabetes, in my opinion, is a group of sympthoms that are common to several different diseases. Some may be genetic, some may not.
There is a very interesting article about genetic medicine in the New York Times about the Mennonites in Pennsylvania. Read it. After reading that article I came to this conclusion: I think that we’re going to find that some types of Type 1 diabetics are genetic in origin and can be avoided if the environment is controlled. However, I think it is going to be a while before we understand Type 1 diabetics fully.
I think it will be even longer before we get a handle on Type 2 diabetes.
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