I wonder if this is related to why I have essential tremor. It's something I seem to have inherited from my grandfather, who survived the Holocaust and went bac

I wonder if this is related to why I have essential tremor. It's something I seem to have inherited from my grandfather, who survived the Holocaust and went back with the US on D-Day. As far as I can tell, it skipped a generation (my dad and his brother don't have it, none of my siblings do, and I don't think my cousins do either).