Q. Safety Effects of Motorcycle Helmet Use
Here are some web sites relating to the safety effects of wearing motorcycle helmets:
The National Highway Traffic Safety Administration's Traffic Safety Facts 2009: Motorcycles.
Motorcycle Helmet Effectiveness Revisited: Insurance Institute for Highway Safety motorcycle information, including citations to articles on the effects of helmet use and state helmet laws.
(Note: The last three private-sector sites above are not maintained by US DOT or any other US Government office. We take no responsibility for the content or accuracy of any non-US DOT web page, and offer the above link strictly as a courtesy, should you be interested.)