As a side note, research has shown it may be safer in the sense that drivers give more birth to helmet-less cylclists. They see those with helmets as more profe

As a side note, research has shown it may be safer in the sense that drivers give more birth to helmet-less cylclists. They see those with helmets as more professional and better equipped, and apparently pass them at higher speeds and closer clearances. http://www.drianwalker.com/overtaking/overtakingprobrief.pdf http://www.drianwalker.com/overtaking/overtakingprobrief.pdf As for a more broad discussion on the topic, outlining both sides of the debate: http://www.cycle-helmets.com/helmets-uk-dec-2012.pdf http://www.cycle-helmets.com/helmets-uk-dec-2012.pdf