We know that some people are able to live into their eighth and ninth decades still mentally sharp and physically spry. What are our chances of staying mentally alert and physically active in old age? Is it all a matter of random luck? Is losing our mental powers as we age inevitable?We know that some people are able to live into their eighth and ninth decades still mentally sharp and physically spry. What are our chances of staying mentally alert and physically active in old age? Is it all a matter of random luck?
Click here to read the rest of this article ...