Suicides among the youngest U.S. teenagers were rising for years before the pandemic with school stress, social media and guns standing as potential factors, according to a new study.

Researchers found that between 2008 and 2018, the suicide rate among 13- and 14-year-olds nationwide more than doubled from roughly two deaths per 100,000 teens in 2008, to five per 100,000 a decade later.

It was a stark reversal of a decline that began in the late-1990s.

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