What happens to your brain when you head a soccer ball - Men's Journal

Soccer: Study links heading the ball to concussion symptoms

U.K. lags Canada in ban on heading the ball

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

Head-injury risk higher for female soccer players, massive survey finds

Women's Soccer Stars Concerned About Trauma From Headers : NPR

Female soccer players more vulnerable to brain trauma from heading, new study finds

The Concussion Gender Gap: Why Girls Suffer More Head Injuries

Guerrero finds path after brain injury - Grand Canyon University Athletics

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

The Concussion Gap: Head injuries in girls soccer are an 'unpublicized epidemic' - InvestigateWest