(HealthDay News) - Wearing a helmet during activities where head injury is possible is one of the most important things you can do to protect yourself. Head injuries can be serious and even life-threatening.

The National Safety Council says you should always wear a helmet when:

• Riding on an all-terrain vehicle or four-wheeler.
• Bicycling.
• Skateboarding or inline skating.
• Horseback riding.
• Playing baseball or softball.
• Playing football.
• Rock climbing.