Sentences with phrase «undiagnosed subconcussive»

But not all of these persons had a history of concussion and this suggests that undiagnosed subconcussive blows may also contribute to CTE, they explain, and call for more research into how the condition develops and to determine other risk factors.

An August 2015 editiorial in the British Journal of Sports Medicine, [41] said that autopsy studies - many conducted in Boston at the Center for the Study of Chronic Traumatic Encephalopathy - and a study reporting that retired NFL players who began playing football before age 12 demonstrated greater levels of cognitive impairment in their 40s - 60s than those who started later, [40] «raises concern that an accumulation of undiagnosed subconcussive head trauma may lead to (or be a leading factor) for CTE.»