Mercola Newsletter: Dr Mercola has dedicated his life to helping ordinary people take their health back through informed choices outside the pharmacological paradigm. This site has tens of thousands of pages: www.mercola.com

Transfer Factor Institute, a research and science website on immunology and the transfer factor immune memory molecule from Richard Bennett, PhD, of UC Davis Veterinary School. www.transferfactorinstitute.com

Transfer Factor Research is a user-friendly, science-made-easy website with peer-reviewed clinical studies. www.transferfactorresearch.com

Mary Enig, PhD, is the preeminent lipids researcher whose warnings about trans fats went unheeded for thirty years by the medical establishment and government agencies. Learn to discern the truth from the hype about fats and oils, saturated and unsaturated. www.coconutoil.com

Weston A. Price Foundation. Historical data gleaned from the travels of an early-twentieth dentist who discovered the commonalities of healthy tribal peoples throughout the world despite their vastly diverse diets; and how this information applies to urban dwellers of the 21st century. www.westonaprice.org

Andreas Moritz: Ayurvedic and nutrition specialist who produces paintings for healing. His book, The Amazing Liver Cleanse, is the best hand guide to doing a liver-gall bladder flush. You can purchase his books and other products or arrange a phone consultation. www.ener-chi.com

Dr Hulda Clark's cleanses and protocols for gastrointestinal and overall health, www.drclark.net. See also www.drclark.com for books and other products.