I know it's all over the place even cold sore virus I've heard is a risk. There is diabetes on both sides of my family (I'm not diabetic) and I get cold sores

I know it's all over the place even cold sore virus I've heard is a risk. There is diabetes on both sides of my family (I'm not diabetic) and I get cold sores too but nobody on either side of my family has or ever had Alzheimer's Disease.