The study doesn't appear to look at death from collisions, looking at the abstract. http://ehp03.niehs.nih.gov/article/fetchArticle.action?articleURI=info%3Ado

The study doesn't appear to look at death from collisions, looking at the abstract. http://ehp03.niehs.nih.gov/article/fetchArticle.action?articleURI=info%3Adoi%2F10.1289%2Fehp.1103440 http://ehp03.niehs.nih.gov/article/fetchArticle.action?artic... It's a net societal gain, but your personal safety goes down (even looking at health effects, which biking sadly isn't anywhere near as good as walking/running).