Yes apples are among the healthiest fruits in the world but apples are not the only healthiest fruit you can eat.
Other really healthy fruits besides the apples are oranges, lemons, Limes, Strawberries, Pomegranate and Grapefruits.
So yes eating apples can help you keep your body healthy and can even possibly extend your life and provide you with lots of energy.
But you should also eat several of the other healthy fruits as well to get the most health benefits of the fruits.
Apples as well as many other fruits contain high amounts of fiber, vitamin C, potassium and vitamin K along with Vitamin B and other nutrients which are all essential to good health.
The vitamins and nutrients as well as other antioxidants in apples and other fruits can possibly help to reduce the risk of disease and improve your digestion.