Recommended Reading
Prescription for Natural Cures, 3rd Edition
James F. Balch, M.D. & Mark Stengler, NMD. —Turner; 3rd edition (February 23, 2016)
Dr. Christopher's Guide to Colon Health
John R. Christopher, M.H. N.D. —Christopher Publications (October 2003)
Edgar Cayce's Guide to Colon Care
Sandra Duggan, R.N. —A.R.E. Press (November 1, 2014)
The Second Brain
Michael D. Gershon M.D. – Harper Collins Publishers, New York, NY. 1998, 2003
IBS: A Doctor's Plan for Chronic Digestive Troubles
Gerald Guillory M.D. – Hartley Marks, Pointe Roberts, WA. 19991
Colon Hygiene
Kellogg, J. – Good Health Publishing Co., Battle Creek, MI. 1915
The Tipping Point – How little things can make a big difference.
Malcom Gladwell – Back Bay Book/Little, Brown & Co., New York, NY., 2002
The Detox Diet, 3rd Edition
Elson M. Hass, M.D. – Ten Speed Press; 3rd ed. edition (June 26, 2012)
Atlas of Human Anatomy, 6th Edition
Frank H. Netter M.D. –  Saunders; 6 edition (April 7, 2014)
Netter's Atlas of Human Physiology
John T. Hansen PhD (Author), Bruce M. Koeppen MD PhD (Author) – Saunders; 1st edition (May 15, 2002)
Netter's Gastroenterology, 2nd Edition
Martin H. Floch MD (Author), C.S. Pitchumoni (Editor), Neil R. Floch (Editor), Raul Rosenthal (Editor), James Scolapio (Editor)– Saunders; 2 edition (November 24, 2009)
Detoxification (Revised Edition)
Linda Page N.D., PH.D. – Traditional Wisdom, Inc; Revised Edition edition (2002)
Gastrointestinal Disorders and Nutrition
Tonia Reinhard, M.S. R.D. – McGraw-Hill Education; 1 edition (October 6, 2001)
Crohn's Disease & Ulcerative Colitis, 3rd Edition
Fred Saibil, M.D. – Firefly Books; 3 edition (December 23, 2011)
Gut Solutions
Lenord Smith M.D., Brenda Watson N.D.
Renew Life Press; 1st edition (January 29, 2004)
Renew Your Life
Brenda Watson N.D. C.T. – Renew Life Press (July 1, 2002)