According to Christwire.org, masturbation is a serious epidemic that creates alot of problems for people today.  Some problems that have been associated with it is: yeast infections in women, prostate cancer in young men, urethral trauma, retarded ejaculation (shortbus to spermville) & even penile fracture (me thinks someone doesn't know how to handle their willy if that happens)!  Apparently it even leaves someone groggy and unfocused at work but honestly, if you're stroking it at work, you have other issues (even if the new temp is hot).  To help keep America and the workforce safe, here is a handy picture to help you spot them:

There are even more handy tips to read here as well as how to tell what famous people jerk it while others are master of their domains.  Remember!  Only you can prevent masturbation.