Nutrition Facts with Dr. Greger
Skin Cancer and Diet
Dec 26, 2024
Explore how nicotinamide may play a crucial role in preventing skin cancer by reducing precancerous lesions. Discover the surprising link between fat intake and tumor growth, emphasizing how low-fat diets can lower risks. Learn about the vital benefits of a fruit and vegetable-rich diet, backed by compelling evidence. The discussion also highlights the importance of nutritional education in making healthier choices.
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Quick takeaways
- Oral nicotinamide has been proven to significantly reduce non-melanoma skin cancer rates through enhanced DNA repair mechanisms and fewer side effects.
- Adopting a low-fat diet is crucial in lowering skin cancer risk, as studies show drastic reductions in tumor incidence among those who comply.
Deep dives
The Efficacy of Niacinamide in Skin Cancer Prevention
Oral nicotinamide, a form of vitamin B3, has been shown to significantly reduce the incidence of non-melanoma skin cancers. In clinical trials, individuals taking 500 mg of niacinamide twice daily experienced a 25% reduction in skin cancer rates compared to placebo, with no significant side effects reported. This supplement enhances DNA repair mechanisms and has also led to a remarkable decrease in precancerous lesions known as actinic keratoses. Although effective, continued use is necessary to maintain these protective effects, as cancer rates returned to baseline after discontinuation.
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