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

Frontiers Hyper-acute effects of sub-concussive soccer headers on brain function and hemodynamics

Football Player Had 'Worst' Brain Trauma Seen in Someone So Young, Doctor Says

Detection of American Football Head Impacts Using Biomechanical Features and Support Vector Machine Classification

Lifetime exposure to cumulative force of repeated head impacts is strongly associated with CTE — Concussion Alliance

Study evaluates effect of heading a ball in soccer

Heading a football changes blood patterns in brain: study

Study evaluates effect of heading a ball in soccer

Concussions in the NFL: How Worried are You?

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

Frontiers Soccer heading immediately alters brain function and brain-muscle communication

CTE found in former soccer players, study shows

Full article: Changes in circulating microRNAs following head impacts in soccer

Heading a soccer ball causes instant brain changes, study finds - The Washington Post

Sports Injury Bulletin - Improve - The Beautiful Game Part 2 - Women's Football Concussion Injuries