There is a 10-15 percent risk reduction of squamous cell skin cancers with higher intake of plant phytochemicals (retinol/vitamin A1 and carotenoids). The majority of vitamin A intake from the study participants was derived from diet, not from supplements.
This study is consistent with others that compare food vs. supplements. A study from earlier this year also showed that nutrients found in food, not supplements, held the most powerful factors to help reduce the risk of death and cancer.
Read the study: bit.ly/2GQIPgK
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