3. Front air bags, seat belts
According to the NHTSA, the combination of front air bags and seat belts reduce the risk of serious crash-related head injury by 83 percent.
More from the web:
83 percent effectiveness for the air bag and lap-shoulder belt means that drivers protected by that system experienced an 83 percent reduction in the risk of moderate head injury.
![Report-to-Congress-Effectiveness-of-Occupant-Protection-Systems](https://getvoice.org/?qa=blob&qa_blobid=17292964087801862086)
Souce: nhtsa.gov