History & Society

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Did smartphones and social media cause the rise in teen depression and anxiety?

Population-level increases in adolescent depression and anxiety since ~2012 were caused substantially by smartphone and social-media adoption, rather than merely correlated with it.

History & Society
social-media
adolescents
mental-health
causal-inference
policy

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HistoryproveLiveAnswers

Were humans in North America during the last Ice Age?

The White Sands (New Mexico) human footprints date to ~21,000–23,000 years ago, establishing human presence in North America during the Last Glacial Maximum, well before Clovis.

History & Society
archaeology
peopling-of-americas
radiocarbon
osl-dating
white-sands

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Did smartphones and social media cause the rise in teen depression and anxiety?
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Were humans in North America during the last Ice Age?
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