Where did the saying an apple a day keeps the doctors away come from?

The saying "an Apple a day keeps the doctor away" originated in Wales in the 19th century, with a variation first recorded in 1866. It reflects the idea that consuming healthy foods, particularly fruits like Apples, can contribute to overall health and reduce the need for medical visits. Over time, it has become a popular adage promoting the importance of a balanced diet. The phrase emphasizes preventative health through nutrition.