immune system

Eight foods to superpower your immune system

Cue the sniffling, sore throats, coughs and congestion -- classic signs of the common cold.

If you're feeling under the weather, food might be the last thing on your mind. "Some people may lose their appetite [when they're feeling sick] due to diminished sense of taste or smell or lack of energy," says Toby Smithson, MS, RDN, LDN, CDE, spokesperson for the Academy of Nutrition and Dietetics, and Founder of DiabetesEveryDay.com.