High intake of fish oil can potentially compromise the body’s defense against flu and delay recovery after catching it, he warns. Stick to a 2,000 IU supplement, though: Fish is the most D-rich food and, while fish oil is beneficial for fighting several chronic diseases, some of the the fatty acids in the compound can suppress immune cell function and compromise your body’s defense against flu, says Dr. Why it works: Without adequate amounts of the sunshine vitamin in your body, your T-cells-an essential part of the immune system-remain dormant and unresponsive to invading viruses and bacteria. The truth: Vitamin D is just as helpful: People who took roughly 2,000 IU of vitamin D daily over two years were less likely to get sick than those who were D-deficient, according to a recent Australian study. The myth: The most important immune-boosting nutrient is vitamin C. So what should you believe and what advice should you toss when it comes to staying healthy this season? Here's the truth behind five common flu-fighting myths. ![]() Since winter is the flu’s favorite season, keep your kitchen stocked with immune boosters, for the time before you catch something and, unfortunately, if you are fighting it off. That one about starving a cold? The truth is actually the opposite: Your body needs nutrients and food compounds to fortify your immune system against viruses and help speed your recovery, explains Dayong Wu, M.D., Ph.D, scientist at the Nutritional Immunology Laboratory at Tufts University.īut nutrition works both ways: “There are also some foods that negatively impact your body’s resistance to sicknesses,” he adds. ![]() An apple a day may keep the doctor away, but don’t assume all grandma’s adages are true.
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