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The future of flu prevention

Expert insight:

"The lactic acid bacteria that was used [in the study] was isolated from kimchi, a Korean fermented cabbage,” says study author Sang-Moo Kang, Ph.D., professor in the Institute for Biomedical Sciences at Georgia State University in Atlanta. Although the study was done on mice, Kang speculates that with further research, a nasal spray containing lactic acid bacteria may one day protect against the flu in humans.

The bottom line:

Until such a spray becomes available, adding more probiotic-rich foods to your diet, including fermented vegetables, may help you stay healthier this winter and beyond, says Kang. Try incorporating sources such as sauerkraut, kimchi, tempeh, miso, kefir, yogurt and fermented pickles.