MY WIFE BOUGHT THIS BOOK BECAUSE HER DAD HAS BEEN DIAGNOSED WITH LOU GEHRIGS DISEASE. I BUILT THE ZAPPER BECAUSE IT SOUNDED FUN. I WAS SKEPTICAL. MY WIFE AND I USED THE ZAPPER A COUPLE OF TIMES BUT DID NOT NOTICE ANYTHING.A FREIND AT WORKED HAD BEEN SUFFERING WITH SHINGLES,HE TRIED IT AND AFTER 2 ZAPPINGS FELT AMAZINGLY BEETER.ANOTHER MAN AT WORK TRIED IT FOR PROSTRATE PAIN THAT WOULDN’T GO AWAY,IT WORKED!ANOTHER WITH SCERIOSIS,ANOTHER WITH ABDOMINAL PAIN, ALL WENT AWAY!!MY WIFE NOTICED A REMARKABLE CHANGE IN HER P.M.S. THANK YOU HULDA. THIS BOOK IS A LOGICAL STEP BY STEP GUIDLINE TO GETTING WELL, NO MATTER WHAT YOU SUFFER WITH. THERE ARE SOME IMMEDIATE RESULTS FROM USING THE ZAPPER AND THEN SOME LONGER TERM RESULTS FROM THE HARD WORK OF RIDDING YOURSELF OF THE PIOSONS IN YOUR BODY.ALL THE STEPS ARE LINED OUT FOR YOU BY HULDA.