As I just said, the issue of vulnerability should always be put in parallel or balanced with risk factors.
I think what you're talking about are the possible issues of the loss of independence associated with aging. Right now, it's less a question of chronological age than a question of biopsychosocial conditions. We can put two 60-year-olds or 80-year-olds side by side and they will seem relatively different.
But you are focusing on something that I think is important. In situations where people are losing their independence…