It's easy to take our health for granted when we are young and everything is working the way it is supposed to work. I never thought about my health much at all when I was younger. Sometimes I would get an injury playing sports, but those things healed quickly and I was as good as new.
I don't think many people really know how the nervous system works, or even give it much thought. What really changed my way of looking at things and started me to thinking about my health and what I would be like as I got older was when my mother got Alzheimer's. Since then I have been reading more information about the functions of the nervous system and the diseases and conditions that attack this system.
Originally, most studies said that nervous system diseases like Alzheimer's had nothing to do with whether or not members of your family had it. However, recent studies show that some diseases like Alzheimer's are sometimes related to an inherited gene. So if you have nervous system disorders in your family then you should be aware that they could be genetic in some cases.