By Charles K. Bens, Ph.D. If you ask people what illness they fear most in old age, a surprisingly large number will say just one word: Alzheimer’s. And yet, if you ask them what they are doing to avoid this dreaded illness, a vast majority will give another one word answer: nothing. That is both shocking and surprising because there is actually quite a lot a person can do to reduce their risk of Alzheimer’s Disease.  A good starting point…