feed a cold, starve a fever

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feed a cold, starve a fever

Antiquated advice that suggests that someone with a cold should eat, while someone with a fever should fast. Most health experts now agree that "starving" is not the right course for either malady. My grandmother always said "feed a cold, starve a fever," but it's best to stay properly nourished even when you have a high temperature.
See also: feed, fever, starve