Heading football and head impacts 'change blood patterns in brain', Soccer

Repeated heading and accidental head impacts in football potentially interfere with signalling pathways in the brain, according to a study of players in Norway

Do Headers In Soccer Lead to Brain Injuries?, by Dr. Rajpal Brar, Grandstand Central

Heading a football changes blood patterns in brain: study

Minimise headers': Capital Football await Football Australia's guidance after two more studies point to danger of head injuries in sport, The Canberra Times

Dangers of soccer headers a gray area

Concussions in Youth Soccer: Current Guidelines and Research

Football is heading for trouble over brain injuries caused by the ball, Soccer

Foot to head incident. (A) Close up just prior to impact. (B) Impact

Full article: Effect of soccer heading ball speed on S100B, sideline concussion assessments and head impact kinematics

Soccer study finds women suffer more damage from headers than men