Does an apple a day really keep the doctor away? A nutritionist explains the science behind ‘functional’ foods || by Janet Colson :: The Conversation

"While apples aren’t considered a superfood, they are considered a functional food. Apples are not high in vitamin A, nor are they beneficial for vision like carrots. They are not a great source of vitamin C and therefore don’t fight off colds as oranges do. However, apples contain various bioactive substances – natural chemicals that occur in small amounts in foods and that have biological effects in the body. More at The Conversation ➜