The Health Impacts of Biking in Traffic Posted on September 30, 2005 2 Comments According to this Treehugger.com post, “you may be hurting your health by biking in urban traffic” but “you are not hurting it as badly as you could be” because “studies show you get the biggest hit of the nasties when you’re inside a car”.
Link to Treehugger nay clickable due to typo – Treehugger post
Edit: Spam comment removed and typo fixed. Thanks to Andyroo. No thanks to evil spammer.