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Research Letter
May 4, 2021

Trends in the Prevalence of Concussion Reported by US Adolescents, 2016-2020

Author Affiliations
  • 1School of Nursing, University of Michigan, Ann Arbor
  • 2Department of Physical Medicine and Rehabilitation, University of Michigan, Ann Arbor
  • 3Institute for Social Research, University of Michigan, Ann Arbor
JAMA. 2021;325(17):1789-1791. doi:10.1001/jama.2021.1538

In 2016, 19.5% of US adolescents reported at least 1 concussion during their lifetime.1,2 While knowledge about concussion and management of these injuries within the adolescent population have increased over the past decade,3 to our knowledge, no national study has tracked whether rates of concussion have declined or increased. This study estimated trends in the lifetime prevalence of self-reported concussion among a national sample of adolescents between 2016 and 2020.

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