Answer: The quick answer is to “starve a fever, feed a cold.” But don’t take this old adage too much to heart, because starving yourself isn’t going to help when you are sick.
A better approach when ill is to eat enough nutritious food to satisfy your appetite. More important,
it is essential to stay hydrated when you have either the flu or a common cold.
Stave off illness and fight infection by eating plenty of antioxidant-rich foods, such as garlic, almonds, red bell pepper, broccoli and sweet potatoes. Also, the healthy bacteria found in low-fat yogurt are known
to reduce infection.