“An apple a day keeps the doctor away …”
The modern phrasing, “An apple a day keeps the doctor away”, began usage at the end of the 19th century, with early print examples found as early as 1887. A variant of the proverb, “Eat an apple on going to bed, and you’ll keep the doctor from earning his bread” was already recorded as a Pembrokeshire saying in 1866.
A 2013 study using computer modelling compared eating apples with taking a common daily cholesterol-lowering drug to estimate risk of cardiovascular diseases. The computer model estimated that eating an apple a day was generally comparable for people over age 50 years to using a statin drug to reduce low-density lipoprotein cholesterol, concluding that eating an apple a day “is able to match modern medicine and is likely to have fewer side effects”.
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