I’m sure you published this article in good faith, but I believe that claims for shark cartilage are not made seriously by anyone who studies the role of natural substances in cancer prevention. It was proved ineffective long ago. I think your article does a disservice to honest people who are trying to fight the drug-industry prejudice against natural (profitless) substances to prevent and treat many diseases. Shark cartilage is a red herring.
James Street Oakland, Calif.
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