[Arthur McGowan]

I can think of a plausible reason that non-wearers of helmets might have fewer accidents: They can see and hear.

[corkoman]

Behavior changes when you wear a helmet. Put a helmet on a 10 year old and aggression on the football field increases exponentially.

I always go full helmet whenever I ride only because of the airborne creatures here in south florida. At speeds above 30 mph any flying creature can cause facial trauma.

And wind noise across the ears causes post-ride hearing probs for me.

[Grams A]

Some of us in Texas refer to those that ride in Houston traffic without a helmet organ donors.

[Sasparilla]

..I can think of a plausible reason that non-wearers of helmets might have fewer accidents: They can see and hear...

Some helmets don’t cover the entire head. They just cover the top of the head from the ears up like an ice hockey helmet. You can hear much better. No vision blockage either.

[meatloaf]

It may also be air bag syndrome. The introduction of air bags may have encouraged riskier driving. Not wearing a helmet may subconsciously lead to safer riding. It doesn’t protect you from others though.

[cherry]

exactly....they can see much more clearly and most importantly they can hear better....

they'll also tell you that maybe the helmets protect their heads but they do not protect your neck....even with a helmet, if you neck snaps you're either dead or a quad...