Hah! It took them seven years to figure it out.

Check out the NY Times and what they wrote about the linkage between morons on two wheels and the supply of organs: http://freakonomics.blogs.nytimes.com/2009/06/18/no-helmets-for-more-organs/
And what I wrote at least 7 years ago: http://mike.dewolfe.bc.ca/oped/opinion.bikes.asp