Fighting the Flu with More Than a Vaccine
Because flu vaccines are in tight supply this year and you may not receive one, you should think about additional ways to protect yourself.
The immune system is composed of antibodies and a variety of other elements, all of which are made of protein. Studies consistently show that the power of our immune system declines when we lack protein or calories. Most Americans get more than enough protein and calories, but the elderly and poor may not. Their meat consumption may be limited due to cost, chewing difficulties, or the hassle of preparing it. To safeguard their nutrition, these people can get enough protein and other nutrients from alternative sources, such as dried beans, tofu, nuts and eggs.
Iron, zinc, folate and the vitamins C, E, B6 and B12 also keep the immune system functioning well. For example, in a study of homebound elderly people, those who were iron-deficient had lower immune function than those with normal iron levels. But an amount greater than the recommended levels may have adverse affects. You simply need to meet the basic Dietary Reference Intake (DRI) levels.
Zinc is a case in point. This mineral has received a lot of attention as a potential way to boost immune function. The average U.S. adult meets the Institute of Medicine recommendations of 8 to 11 milligrams (mg) per day. Yet many adults are mildly deficient, and even mild zinc deficiencies can decrease immune power. However, excessive levels suppress the immune system. Research suggests that a total of 40 mg of zinc from food and supplements is safe. Zinc is found in lean meats, seafood, eggs, dairy products and whole grains. Most multivitamins contain a day’s worth of zinc.
Fighting the Flu with More Than a Vaccine
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