Condition is prevalent in rugby and American footballScientists are optimistic of significant breakthroughScientists have moved a step closer to diagnosing the degenerative brain condition chronic traumatic encephalopathy in living people, after a study found a blood biomarker that identifies an adv anced form of the disease.As things stand CTE, which is caused by repeated trauma to the head and is especially prevalent in collision and contact sports such as American football, rugby and football, can be diagnosed only after death by examining brain tissue. Continue reading... ...read more read less