an apple a day
Noun
Meaning
an apple a day
(idiomatic, abstractly) Healthy eating and living using traditional temperate-zone fresh foods.
Examples
It was between the ages of 14 and 20 and I started off not eating at all, maybe an apple a day.
An apple a day keeps the doctor away.
An apple a day keeps the doctor away.
An apple a day keeps the doctor away--if you have good aim.
An apple a day keeps the doctor away.
An apple a day turns away illness.