if a relative developed a disease after I was born, would I be at higher risk to get it? why so?

Question

I always wondered this, but I never knew what the answer to this was. for example if my relative developed diabetes after I was born, would I be still be at higher risk at getting it. something like that. if that is true, then how does it work? sorry if I sound stupid

In: 1

Answer 1

You’re at a higher risk to get any disease that has a genetic factor the moment your first cell it’s made. Your genes don’t change (basically) so that’s is already determined. So no, your family member getting a disease doesn’t change if you have it. What does happens is now you’re aware that that disease runs in your family genes, so you know the chance you have it is higher than someone whose family doesn’t, but whether you actually have it was already determined when you were born, you just didn’t know it.