However, number of diagnosed concussions, length of playing career not tied to later cognition
No significant moderators identified for the association, possibly due to small number of studies included
History of concussion in past 12 months significantly linked to risk for poor academic standing during same period
Complex interaction between race/ethnicity, sex, depression, and concussion history seen for risk for suicide attempts among U.S. youth
Service members sustaining combat concussion were 37 to 49 times more likely to be in the worse disability trajectory
Risk increased for developing a mental health issue, self-harm, and psychiatric hospitalization after a concussion
However, those seeking care delayed care and were less likely to be from sports