More than the other cancers, colorectal cancer has a direct link to diet, and nutrition can play a big role in both the prevention and treatment of colorectal cancer. With so many factors - Omega-3 oils, antioxidants, selenium- being touted as good for you, how do we really know what we need to be taking, along with how much of it we should be consuming?

Periandal Asha, a dietitian from the National Cancer Society, explains more.

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Tags:  colorectal cancer,  diet,  health,  cancer,  dietitian,  antioxidants,  selenium,  supplements