How Old is Old?

Perspectives of aging change as we age, and these perspectives are predictive

Welcome back to Age Wise, exploring the science of improving physical health and mental wellness at every stage of life. This week, I was thinking about how our perspective on aging changes as we get older, so I asked this question of my Facebook friends:

When you were in your 20s or 30s, what age seemed “old” and what did you imagine it'd be like to be …