Diabetes Runs in My Family. Does that Mean I’ll Get it?

http://drhyman.com/blog/2015/05/01/diabetes-runs-in-my-family-does-that-mean-ill-get-it/
While I believe this is actually a serious underestimate, its magnitude could not happen with a purely genetic or inherited disorder in such a short time. The genetic code of the human population changes only 0.2 percent every 20,000 years. In other words, genes do not become altered from generation to generation.