Category Archives: immune system

The Care and Feeding of Your Immune System – Tufts

There seems to be no limit to the promises on the Internet for foods and dietary supplements that allegedly “boost” or “support” your immune function. There’s more than a grain of scientific truth in it, and the prospect of enhancing immune function with nutrition is a busy area of research—some of it by scientists at Tufts’ Human Nutrition Research Center on Aging (HNRCA) and Friedman School of Nutrition Science and Policy.

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We know that nutrient deficiencies weaken the immune system and leave people vulnerable to illness. But if your nutrient intakes are adequate, can certain foods and nutritional supplements still improve immune function?

There is no definitive answer yet to this question—although there is reason for optimism. “I would not say it’s entirely an open question,” says Simin Nikbin Meydani, PhD, senior scientist and director of the Tufts’ HNRCA Nutritional Immunology Laboratory. “We do have promising evidence from animal studies and some human clinical trials that specific nutrients might be able to help strengthen an aging immune system. But we need additional research.”

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Filed under aging, immune function, immune system, nutrition, successful aging, whole grains

Use Vitamin C for a healthy immune system

It’s that time of year again, not just holiday season, but cold season. And, for many of us, it’s vitamin C season. As a person just getting over his Christmas cold, I was interested to learn more about vitamin C. Turns out it is a very powerful force for good health.

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Here’s what Marisa Moore, MBA, RDN, LD from the Academy of Nutrition and Dietetics as to say about it.

“Vitamin C, or ascorbic acid, is a water-soluble vitamin well known for its role in supporting a healthy immune system. Because your body cannot make vitamin C, it must come from the foods you eat every day. Continue reading

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Filed under cold season, common cold, immune function, immune system