well, for a start.. Dutch men are among the tallest in the world[1].. and taller people have different health risks[2] (higher cancer, lower heart disease). So.. I dunno but I like cycling to work anyway :)

[1] http://www.bbc.com/news/science-environment-36888541 [2] http://blogs.discovermagazine.com/crux/2013/11/08/is-being-t...