**National EMS Network, Inc. (NEMSN) - You can read the article on the Articles Page by Dr. Luis Espinoza that mentions a rare cancer.**Booklet from 1991 Congressional Hearings Title: FDA's Regulation of the Dietary Supplement L-Tryptophan, HEARING before the HUMAN RESOURCES AND INTERGOVERNMENTAL RELATIONS SUBCOMMITTEE of the COMMITTEE ON GOVERNMENT OPERATIONS, HOUSE OF REPRESENTATIVES, One Hundred Second Congress, First Session, JULY 18, 1991; Printed for the use of the Committee on Government Operations; U.S. Government Printing Office, Washington: 1992; For sale by the U.S. Government Printing Office, Superintendent of Documents, Congressional Sales Office, Washington, D.C. 20402; ISBN 0-16-038309-9NOTE: You may be able to find a used or old copy at Amazon.com....I don't think the U.S. Gov't Printing Office sells them now.E-mail Faith Rumph: faith_rumph@yahoo.comReturn to Home PageGo to Information PageGo to Support Page