We don't have a good immune system for the same reason that we have a lot of heart disease, for the same reason we have a lot of diabetes, the same reason we have a lot of obesity and cancer—because nutrition.

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Dr. T. Colin Campbell: A Plant-Based Diet Improves Immune Function

Dr. T. Colin Campbell: Keeping Plant-Based Nutrition Whole for Optimal Health

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Dr. T. Colin Campbell: Keeping Plant-Based Nutrition Whole for Optimal Health

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