Yes it is. This domain is under the category of Health/Docotors. Unique keywords which follows are an apple a day keeps the doctor a way, a well known proverb that conveys the idea of eating fruits (like an apple) brings good health for which reduces the need for an appointment with a health care professional.
There are approximately 22,082 average broad searches each month for "an apple a day keeps the doctor away" with low ad compeition. and 9,882 average exact searches a month.Bot appraisal (not official)