Professor of the Practice of Law University of Denver Sturm College of Law

The Brainbow & Immune System

Food can help our immune system successfully fight off a pathogen.  A strong immune system requires the interaction of numerous micronutrients in a large variety of healthy food, especially a colorful brainbow of fruit and vegetables. 

One study compared immune responses in three groups of animals who were fed 2 to 3 servings, 5 to 6 servings, or 8 to 9 servings of fruit and vegetables per day.  The best immune system effect was found in the animals who consumed 8 to 9 servings per day. 

Takeaway: To boost your immune system and reduce the risk of heart attack, stroke, and cancer, strive to eat 10 portions of diverse fruit and vegetables per day.


Sandee LaMotte, Boost your Immune System for Winter with Food,, Nov 16, 2020,

Neuroscience News, Healthy Diet with Nutritional Supplements Support Body in Fight against COVID-19, Apr. 23, 2020,

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