The danger of riding without a helmet is significant, and the following are some of its hazards:
1. Head injury
When not wearing a helmet, the risk of head impact increases threefold. Riders without helmets have a three times higher risk of severe trauma than those wearing helmets. Head injuries may cause mild concussion, as well as deep coma and permanent head injury.
2. Facial injury
Helmets can prevent facial injuries, but not wearing a helmet can easily cause facial trauma. The skin and bones on the face are highly susceptible to corrosion and trauma during cycling.
3. Fractures and bleeding
When not wearing a helmet, any part of the body may be injured. Visceral injuries, fractures, and bleeding are not easily repaired. The degree of injury depends on the rider's