No, I didn't take them anywhere. I would not know where to go, and probably could not afford to pay to have them analyzed. Would have liked to know, though.
Regarding my #3. I read in a book on Asian traditions & nutrition by Paul Pitchford about pre existing conditions that cause your body to become a nice cozy home for parasites. This author says that along with taking parasite killers we must change our diets in some respects so that the parasites don't continue to re-infest.