No Helmet Head Bump!

Animation: Helmet Versus No Helmet

Barrow Neurological Institute

Kids, Watch What Can Happen If You Don’t Wear a Helmet!

Texas Medical Association

Seattle skateboarder slowly improves from traumatic head injury

No helmet head bump!? Daaam! #rams #win

You're Cool Enough to Wear a Helmet: T.J. Lavin Talks Brain Injury

Centers for Disease Control and Prevention (CDC)

BMX CRASH SEIZURE: Please Wear A Helmet

Worried About Toddler's Head Injuries? Try Our Toddler Safety Helmet!

What happens to the brain without bike helmet during a crash

KTH Royal Institute of Technology

Helmet Removal (How to) ATLS

Could Going Helmetless Solve Football's Brain Injury Problem? - Cheddar Explains

Without helmet bike accident

How a helmet can save you from head injuries when cycling

Singapore Incidents

Seattle skateboarder who suffered traumatic brain injury urges Olympic skaters to wear helmets

Helmet Cam Video of Cycling Accident Goes Viral

Associated Press

Concussion / Traumatic Brain Injury (TBI)

Nucleus Medical Media

Child Injured Riding Bike Without Helmet

Skate Slams and Brain Injuries - the Truth

Boy after crash: ‘I could have died’ without bike helmet

Walker McCain Advises Helmet Following Near-Fatal Bike Accident

Children's of Alabama

Can a helmet sensor help prevent brain trauma in athletes?