apple a day

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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

apple a day

A truncation of the proverb "an apple a day keeps the doctor away," meaning small, healthful everyday habits will help prevent medical problems in the future. People consider me eccentric for my insistence on going for a walk at dawn each morning, but an apple a day, as they say!
See also: apple

An apple a day keeps the doctor away.

Prov. Apples are so nutritious that if you eat an apple every day, you will not ever need to go to a doctor. Remember to take an apple in your lunch today. An apple a day keeps the doctor away. Grandma always fed us lots of apples when we visited her. She believed that an apple a day keeps the doctor away.
See also: apple, away, doctor, keep

apple a day

A small preventive treatment wards off serious problems, as in He exercises regularly-an apple a day is his motto. This idiom shortens the proverb An apple a day keeps the doctor away, first cited about 1630.
See also: apple