For more in-depth information about natural hormones, you may find these titles very helpful......

• What Your Doctor May Not Tell You About Menopause
  by Dr. John Lee, M.D.
• The HRT Solution
  by Marla Ahlgrimm, R.Ph.
• Are Your Hormones Making You Sick?
  by Dr. Eldred Taylor, OBGYN
• Natural Woman, Natural Menopause
  by Dr. Marcus Laux, N.D. (Naturopathic Doctor)
  Note: I recommend this book for its description of the history of hormone therapy.
• The Testosterone Syndrome
  by Dr. Eugene Shippen, M.D.
• What Your Doctor May Not Tell You About Breast Cancer
  by Dr. John Lee, M.D. and Dr. David Zava, Ph.D.
• The Cortisol Connection (Why Stress Makes You Fat and Ruins Your Health)
  by Dr. Shawn Talbott, Ph.D.
• Thyroid Power 10 Steps to Total Health
  by Dr. Richard Shames, M.D.