In what can only be described as a budding marketing bonanza for companies that service the porn industry, it may be possible in the future to cure your constipation and tighten up your sphincter at the same time.  Italian researchers at University Hospital Agostino Gemelli, Rome are investigating the utility of ultrasound-guided local injections of Botox to relieve constipation in 24 sufferers. As someone who has seen a couple of