Article
Vitamin and mineral supplements for cancer prevention: issues and evidence.
The American journal of clinical nutrition - 1 Jan 2007
Fairfield Kathleen, Stampfer Meir
Abstract excerpt
Trials of nutritional supplements for cancer prevention must overcome a variety of challenges not shared in the usual paradigm of pharmaceutical agents for prevention of cardiovascular disease. Unlike for cardiovascular disease, for cancer we typically do not have well-established causal risk factors as targets for intervention. Also, for most likely cancer interventions, the expected time to achieve an effect is...
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