Nestalgic Reminiscence - Is Age a Trigger for Astalgia?

Nastalsia peaks in young adult hood. Some newer research is suggesting that there might be a smaller, but another bump in older individuals. Do you think nestalga has always been a part of the human experience? And therefore, the argument is that it's universal. It probably is part of thehuman rience. So it's always been there as a potential, and it cuts across all cultures and all historical time periods.