Escalating trend in documented concussions due to improvements in the detection and clinical management of concussion says the NCAA. Concussion rates in football had been escalating over a 21-year period beginning in the early 1980s. But the trend stabilized in recent years, becoming relatively flat from 2004-12. NCAA Director of Health and Safety David Klossner said the reasons for the previous escalating trend are not well documented but could be due to multiple factors, including improvements in the detection and clinical management of concussion. Read the full article.