Its just silly. "When _____ stops making sense - _______"

Really? Leading into the topic of cancer?
To make the connection of ones bike saddle leading into cancer is beyond me. Whats next?

I swim regularly and countless laps in a pool full of chemicals. And just like millions of other swimmers who've been doing it for years with a very healthy outlook. Are you going to tell me pool chem's are going to get me? Same with cycling. By doing so, most are in a healthier state of mind and body. I'll gladly take these risk.