You don't need to have white hair or forget your glasses to feel "old." That vague, often unpredictable moment when you say to yourself, "Oh, it's not like it used to be." But at what age does this ...

If you haven't yet, at what age do you think you'll retire? Most people say the magic number is 65. The actual average retirement age for people living in the United States, however, is a modestly ...