How old is considered old? The answer to that question appears to be changing as people live longer, retire later and maintain higher levels of physical and mental health into their older years. A ...
There's an old saying among doctors: if you've seen one 80-year-old, you've seen one 80-year-old. Some will act like they're 60 or 70, while others seem a lot older. So, instead of asking How old is ...