Shark Cartilage Fails As Cancer Therapy

America's interest in shark cartilage as a cancer therapy began in 1993 after a TV report on Cuban research that claimed patients with advanced cancer went into remission after treatment with the compound. But a new study finds that the risks associated with shark cartilage outweigh any possible benefits it might have in treating advanced breast or colorectal cancer. A study to be published in the July 1 issue of Cancer found no difference in overall survival or quality of life between patients who took shark cartilage and those who took a placebo. In fact, toxicity related to taking shark cartilage caused a significant number of patients to drop out of the study after just one month.

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