Originally Posted by
treadtread
As for the allergies - I don't have grass allergies, but I recently developed some allergies (pollution related) that made my nose and eyes water. Since I started cycling, I no longer have that trouble. My wife observed that the days I don't bike, I get hit with a runny nose again. So apart from saving money, there are other benefits that will slowly surface

I grew up with grass/dust allergies, still have them, and when I'm riding/running, they don't seem to bother me nearly as much as when I'm sedentary. I don't know why that is, but it is definitely something I've observed.