Shares of Boeing were up $7.45, or 2.4%, equating to a more than 50-point gain for the price-weighted Dow . A $1 move in any one of the Dow's 30 components translates to a 6.83-point swing in the average.
For most patients, post concussion symptoms go away within a few days to several weeks after the original injury occurs.[In others, symptoms may remain for three to six months.In a small percentage of patients, symptoms may persist for years or may be permanent.
Most symptoms following a mild brain injury resolve in a short period of time (i.e., within days or weeks, sometimes up to a few months) even without treatment. Recent research shows that symptoms persisting longer than three to six months are exceedingly rare following mild head injury (Lovel, Collins, Iverson, et al., 2004; McCrea, Guskiewiz