A 8-year-old looks out her bedroom window during self-quarantine with her family due to COVID-19. John Moore/Getty Images hide caption
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While a day or two of complete rest may be necessary for kids after a concussion, any more could leave them feeling isolated and anxious, says Angela Lumba-Brown, a pediatric emergency medicine physician who helped shape new guidelines. Gregoire Sitter/EyeEm/Getty Images hide caption