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

Sub-concussions: What are they and what's the impact? - Rezon

Does heading a football lead to brain damage? It's complicated

Blood samples reveal consequences of head impacts in football - Neuro Rehab Times

Football concussions - The Drake Foundation

Study of the Day: Repeat 'Heading' in Soccer Causes Brain Damage - The Atlantic

CTE found in former soccer players, study shows

CTE Cases in Soccer Players Raise Questions About Safety of Heading the Ball

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

Sports Injury Bulletin - Diagnose & Treat - Sports-related concussion: heading football fears

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

Soccer Heading Worse for Women's Brains than for Men's

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

Wife of Dave Watson 'cannot fathom' rejection of temporary concussion subs