If only it were as simple as "An apple a day keeps the doctor away." Nutrition scientists are in fact constantly scrutinizing the health properties of foods, advises National Geographic's Catherine Zuckerman.
All well and good but apples are the world's third favourite, pipped at the post by mangoes and bananas. And while June is Mango Month and March proclaimed Banana Month, October is not only National Apple Month in the U.S.A. but the 16th is International Eat an Apple Day followed by International Apple Day on 21st October.