Effective in preventing colds 4 nutrients

PediatricsScientists suggested that the lack of VA in children in winter and spring is susceptible to respiratory infectionsDiseaseA big incentive.Research140 cases of deaths of children who study concluded that: in theColdRespiratory infectious diseases such as high season for children to increase the VA-richFoodEnable the child mortality rate by three quarters. U.S. scientists believe that VA is achieved by enhancing the body's immune system to anti-infection effect. In addition, VA can be reducedMeaslesRisk of illness and mortality. VA-rich foods are carrots, amaranth, spinach, pumpkin, red and yellow fruits, animal liver, milk, etc., if necessary, oral administration of VA preparations, baby 1,500-3,000 units per day, older children, 3,000-5,000 units per day.


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　　Foods rich in zinc

Studies have shown that zinc is a lot of virus "nemesis." U.S. scientists zinc inhibitsAIDSDrug has been initial success,ExpertsWe use zinc treatment of influenza has achieved good results. In the cold season to eat more high fat foods rich in zinc help the body resist the virus, the mechanism is:



⑴ zinc can directly inhibit virus proliferation;

⑵ zinc enhance immune function, especiallyPhagocytesFunction. Meat, seafood and poultry, the most abundant zinc.

In addition, various beans, nuts, seeds, and various classes of zinc is also good food, available for selection.



　　RichVitamin CFood

Food protein contained in the VC can be reduced to cysteine cystine, cysteine is an important member of the body's immune army --- antibody synthesis necessary material, so the VC are indirectly promoting the synthesis of antibodies to enhance immune role. Some foreignTrial3 grams per day of oral VC prevent colds, but also to prove to kids the appropriate VC eat some foods rich in disease prevention is effective. All kinds of fresh green leafy vegetables and fruits are good foods to add VC.



　　Iron-rich foods

Study found that lack of iron the body can cause T-lymphocytes and B-lymphocytes produce damage, manifested as decreased quantity and quality, reduced phagocytic cell function, reduce the number of natural killer cells and other immune function changes. The iron-rich foods can not conducive to these changes in body resistance to disease is corrected, return to normal, to achieve the purpose of combat influenza infection. Such foods are animal blood, milk, eggs, spinach, meat and so on. But too much should not be blindly partial eclipse, in particular, iron fortified foods, first, to avoid undermining the balance between trace elements and lower zinc and copper absorption rate, the second is too much iron storage in the body, may contribute to bacterial growth and produce the proliferation of defects.