For Melissa: You can find some information about herbs in the last edition of Ruth Lawrence's book A Guide to the Medical Profession. But I also have a medical newsletter called The Medical Letter published by The Medical Letter, Inc. 56 Harrison Street New Rochelle, N.Y. 10801 vol.21, No.7 (Issue 528) of April 1979 that contains information about different herbs. It's title is Toxic Reactions to Plant Products sold in Health Food Stores. Subscription fee for 1 year is approximately $20.00 Dany Gauthier IBCLC [log in to unmask] Tel: 514-923-3792 Fax:514-923-3802