Considering Dean had a similar reaction I'd say a thick skull must help dull the pain. [McCoy mutters as he goes about shifting Shinzon and doing just that.] Sit down Shego, I'll check you in a minute- and you- [He turns to Shinzon. Can Shinzon even hear him? Who cares, he's a doctor.] Try that stunt again when you wake up and your entire stay here will be a sedative induced haze.