> > I've heard that career truck drivers suffer all sorts of soft-tissue > and organ ailments caused by infra-sound > Certainly they have very low sperm counts but that's supposed to be due to very unhealthy diets (greasy spoon food), smoking, STDs and sitting on their testicles all day heating them up......... Ben -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body