General overview of Cancer from a holistic perspective:
http://www.westonaprice.org/modern-diseases/a-holistic-approach-to-cancer/
A somewhat technical speculation on the important function of tumors:
http://www.westonaprice.org/modern-diseases/cancer-to-the-rescue/
Cancer and diet:
http://perfecthealthdiet.com/2011/09/toward-an-anti-cancer-diet/
http://perfecthealthdiet.com/2011/09/an-anti-cancer-diet/
Cancer and Energetics:
http://www.i-sis.org.uk/Cancer_a_Redox_Disease.php
