Gadding about town on a bicycle is a great way to reduce your carbon footprint. People who commute by bike tend to be healthier. For men, however, bicycles do have a slight health risk. Researchers have found that men who are avid mountain bikers run the risk of scrotal damage.

This scrotal damage manifests itself as benign tumors, sperm-containing cysts, calcium deposition in the sperm tube that can lead to infection, fluid cysts and twisted veins. Horrible, horrible stuff. Most people who commute by bicycle don?t have to worry about this. It is the constant bouncing and flouncing on the bike seat that leads to these health problems. If your commute to work is bumpy, you may want to think about taking precautions. You may want to think about taking precautions anyway.