an apple a day

an 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
Farlex Dictionary of Idioms.

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
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • apple a day
  • village
  • it takes a village
  • teach a man to fish
  • bad habits die hard
  • best-laid plans go astray, the
  • the best-laid plans
  • the best-laid plans go astray
  • the best-laid plans of mice and men
  • be the spice of life