David W. Gregg, pH.D
David Gregg was a retired chemist and chemical engineer who was committed to researching the illness and issues that haunt our society, including cancer, Alzheimer’s disease, dementia, Crohn’s disease, and various autoimmune disorders. He wrote (and continuously updated until his death in 2011) a journal of his cancer research, titled The Proposed Common Cause and Cure for All Forms of Cancer. He also designed the multi-vitamin and mineral supplement Sparx, which is now available under the name Essense Health Blend.
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