Know Your Care - Understanding your health and how to maintain it. An apple a day keeps the doctor away. This age-old proverb certainly carries its share of credibility. It’s spawned several studies by researchers about the health benefits of apples. People around the world live by it by keeping their crispers crammed with the tasty treat. No doubt about it, loyalty to the apple is long lived because this proverb professes how good it is for us.