A new study of football players who were diagnosed with CTE reveals those who started playing tackle football before the age of 12 had earlier onset of emotional and cognitive problems.
A new study, which involved a small sample of former professional athletes, found no evidence of early onset dementia.
Researchers say a single season of playing high school football is all it takes to cause microscopic alterations to the structure of the brain.
PET imaging of former NFL players who exhibited cognitive decline and psychiatric symptoms linked to CTE showed higher levels of tau in areas of the brain associated with the neurodegenerative disease.
College football players are 5 times more likely to report cognitive impairment, 2.5 times more likely to experience recurrent headaches, and 65% more likely to have cardiovascular problems in their lifetime than their non-football playing peers. Additionally, mortality from brain and other nervous system cancers was 4 times higher in former college football players than the general population.