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China’s Tiangong space station is almost complete. Here’s what it means for the country's rise as a space superpower.

New research: Compared with 24.1% of participants without a history of psychopathology, 9.8% of participants with a lifetime history of psychopathology met optimal well-being (OWB). Adults with a history of substance use disorders (10.2%) and depression (7.1%) were the most likely to report OWB.

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