(NewsNation) — The generational differences in world views between Gen Z and older generations are being driven by higher rates of depression and excessive social media use among today's youth, according to an expert on generational trends.

Jean Twenge, author of "Generations," said Tuesday on NewsNation's "On Balance" that more young adults today express pessimism about their future and a lack of hope for the world compared to previous generations at the same age.

"Gen Z is just a lot less connected to institutions, whether that's religion or government," Twenge said. "There's a tremendous amount of pessimism among........

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