Many with postconcussion syndrome dont recover
A minority of patients with postconcussion syndrome (PCS) recover, with two-thirds of those who recover doing so within one year, according to a study published online Nov. 29 in the Journal of Neurotrauma.

Carmen Hiploylee, from the University of Toronto, and colleagues examined recovery from PCS in a series of 285 patients with concussion meeting international sport concussion criteria who received a questionnaire regarding recovery. Data were reviewed for 110 eligible respondents, with postconcussion symptoms lasting a minimum of three months....