Due to legal pressure in the United States, she operated the Century Nutrition clinic in Tijuana, Mexico , where she provided alternative cancer treatments beyond the reach of U.S. authorities.
Clark’s central thesis, popularized in her book "The Cure for All Diseases," was that every illness—ranging from diabetes and AIDS to cancer—stemmed from two factors:
Clark is famous for inventing the , a hand-held electronic device that she claimed could kill parasites, bacteria, and viruses by delivering a low-voltage, high-frequency current through the body. Her protocols typically involved: The Zapper: Daily use to "electrocute" pathogens. HULDA CLARK
Stringent avoidance of commercial hygiene products, processed foods, and certain household items she deemed toxic. Legal and Medical Controversy
Specifically, she claimed a rare fluke ( Fasciolopsis buski ) was the primary cause of cancer. Due to legal pressure in the United States,
Using specific combinations of black walnut hulls, wormwood, and cloves to eliminate parasites.
She claimed that by removing these toxins and killing the parasites, any disease could be cured. Her protocols typically involved: The Zapper: Daily use
Despite the lack of scientific validation and intense criticism from medical watchdog groups like Quackwatch , Clark maintained a loyal following. Products based on her designs continue to be sold through independent retailers, such as the Dr. Clark Store , which was carried on by her family and associates after her death from multiple myeloma in 2009. Dr. Clark Store, Inc OFFERING STATEMENT - SEC.gov