Headers in soccer are associated with microstructural damage to brain tissue and memory problems ; and an Italian study linked them with ALS . A new study identifies CTE in soccer and rugby union . CTE can develop from repeated blows to the head . The study raises questions about ` ` heading '' in soccer .
A new study identifies CTE in soccer and rugby union . CTE can develop from repeated blows to the head . The study raises questions about ` ` heading '' in soccer .