Feel free to ask my mum was one before.
Answer:
lack of social experience
Explanation:
When you get old you either forgot or re-tell your life , old people prefer when young people listen cause it makes them feel young again.
Well, we know that a lot of the ancient civilizations were first-handedly affected by disease. For example, Native Americans were severely impacted by the spread of pestilence. 90% of their population was completely killed off. I think that would be enough to concern them, don't you think? :P
Answer:
nucleus tractus solitarius
