an apple a day (keeps the doctor away)

an apple a day keeps the doctor away

Eating healthy foods will keep one from getting sick (and needing to see a doctor). Primarily heard in US. Have an apple for a snack, instead of those chips. An apple a day keeps the doctor away, after all.
See also: apple, away, doctor, keep
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

an apple a day (keeps the doctor away)

A proverbial preventive remedy. Versions of this saying date from the seventeenth century or earlier, appearing in John Ray’s proverb collection of 1670 and elsewhere. A cliché by the late nineteenth century, it gave rise to numerous humorous versions, such as “A stanza a day to keep the wolf away” by the poet Phyllis McGinley.
See also: apple, doctor
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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