an apple a day keeps the doctor away
Proposed by a contributor, not yet supported by evidence.
Also seen as: an apple a day keeps the doctor at bay
Meaning · English
Eating healthy food regularly can prevent illness
Nghĩa · Tiếng Việt
Ăn uống lành mạnh thường xuyên có thể ngăn ngừa bệnh tật
Machine-translated — suggest a fix
Literally: eating an apple daily
Where it’s used:
Used
Widespread English
Sources & notes
Listed on Wikipedia “List of proverbial phrases” (CC BY-SA 4.0, retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Common questions
What does “an apple a day keeps the doctor away” mean?
Eating healthy food regularly can prevent illness Literally: eating an apple daily
Is “an apple a day keeps the doctor away” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.