RAYMOND CHANG: CANCER DRUG APPROVAL AND TREATMENT PARADIGM INHIBITS USE OF SUCCESSFUL COCKTAIL APPROACH TO CURING CANCERS.  One of the earliest pioneers in the field of alternative cancer therapies who uses, among other things, low-cost, re-purposed drugs including anti-parasitic and diabetes drugs to heal cancer patients, Dr. Chang details the serious problems with the current medical paradigm that inhibits mainstream use of his successful “cocktail” approach to healing cancer patients.