Myth: An Apple a day keeps doctor away
Reality: Apples are packed with vitamin C and fiber, both of which are important to long-term health, but they aren’t all you need.
And if certain viruses or bacteria get into your system, an apple will, unfortunately, do nothing to protect you.
Source: Business Insider https://www.businessinsider.com/worst-science-health-myths-2016-1?IR=T