Neurologic problem risks/percentages

You'll have to ask a mathematician for the probability that one of these may affect you. Then you can go to your doctor and see what protocols they have for preventing your descent into these maladies. I'm betting that they have none.

Alzheimer’s disease, The Americans aged 65 and over, 1 in 8 has Alzheimer’s,

Stroke - 1 in 6 chance you will have a stroke per the WHO

Huntington's disease affects an estimated 3 to 7 per 100,000 people of European ancestry.

Parkinsons - In the over 65s there was found to be a prevalence in some areas of 1 in 7