Easily available, apples offer many nutritional benefits and may even help to sharpen mental alertness. They also contain plenty of soluble fibre that can contribute to lower blood cholesterol. And, with an average of only 65 calories, an apple is the perfect healthy snack.Apples have been called nature's toothbrush. While they don't actually cleanse the teeth, biting and chewing an apple stimulates the gums, and the sweetness of the apple prompts an increased flow of saliva which reduces tooth decay by lowering the levels of bacteria in the mouth. Here's a simple recipe to add apple to your holiday dinner menu.