[kahljorn]

Yes, many men are strucken by permanant hard-on's every year, in fact it effects more than 32% of the country. Blowholesiphidisisadis is a common cause of permanant hard-on syndrome and there are preventative measures that can be found in your local grocery store, please ask your local seafood butcher for them.
While there is no cure for permanant hard-on's, there are ways to help you cope with your disability and learn to adjust to the real world.