choosing organic, which La Puma says have higher levels of quercetin than conventionally grown ones (the same is true for lycopene in tomatoes).
Chicken Soup
It’s not a suburban legend: Chicken soup really does have healing properties, according to La Puma. A steaming bowl of soup (unappetizing language alert) “reduces mucus and facilitates coughing it up.”
And it seems that chicken soup is more effective at the job than hot water, according to research cited by La Puma. To get the anti-inflammatory and other health benefits of produce too, the doctor suggests making chicken soup with vegetables rather than using store-bought condensed soup or cooking with chicken alone.
Green Tea
Add fighting the flu to the long list of green tea’s health benefits, which also include fighting cancer and heart disease and possible links to “lowering cholesterol, burning fat, preventing diabetes and stroke, and staving off dementia,” according to WebMD.
Green tea is high in “anti-viral activity against influenza,” says La Puma, citing studies involving green tea from the Dr. Rath Research Institute in Santa Clara, CA, and the Department of Biotechnology, College of Engineering, Yonsei University in Seoul, South Korea.
While all kinds of tea are made from the same leaves, white and green teas contain higher levels of catechins—the flavonoids thought to be responsible for tea’s antiviral properties—than oolong and black teas.
Vitamin D–Rich Foods: Salmon, Light Tuna, Sardines, Milk, and Cereal
Vitamin D has been a hot topic in the news recently, with stories about the sunshine vitamin’s many health benefits dovetailing with reports that suggest that many of us don’t get enough of it.
La Puma says experiments in the 1940s showed that mice that received diets low in vitamin D were more susceptible to experimental swine flu infection than those that received adequate vitamin D.
While the same has not yet been proven in humans, La Puma and many other experts believe that getting sufficient vitamin D can offer protection against swine flu—the vitamin is believed to cause the production of antimicrobial substances in the body. “In winter, too little vitamin D is made in your skin, because the angle of the sun is too low,” says La Puma. “And winter is when you get flu.
Chiles Such as Serranos, Jalapeños, and Poblanos
Spicy peppers don’t just help clear your sinuses, they’re also a great source of vitamin C, which “has been tested in influenza A and been shown to reduce the incidence of pneumonia that comes with flu,” says La Puma.
The vitamin has antiviral properties and stimulates antibody production, explains La Puma. Not a chili-head? Sweet red bell peppers are also packed with vitamin C, as are guava, kiwi, oranges, green bell peppers, strawberries, Brussels sprouts, cantaloupe, and papaya, according to the USD.