why people say an apple a day keeps doctors away?

Eating an apple gives energy to  every parts in our body.prevents many chronic diseases.we know prevention is better than cure.so eat an apple regularly keeps your health fresh.
uses of eating an apple 
brain: good for brain.
           prevents alzeimer disease.
eyes:   prevents cataract.
heart:  controls high blood pressure.
           good for heart.
           reduce bad cholestrol.
 lungs: controls asthama.
            cures lung infections.
 skin :  improves complexion.
 hair:helpful for hair growth
 total body: boots immune system.
                  prevents cancer.
                  fights free radicals
                  best food for weight loss.
                  controls constipation
 digestive system:controls diabetics.
                           boosts immune system.
                           prevents gall stones.
                           best food for anemic patients.
bones and teeth:gives strength to bones and teeth.

uses of mangoes

mangoes have vitamin A,vitamin B,vitamin C and vitamin E minerals like copper,potasium and magnesium,fiber

1.high level of fiber ,pectin,vitamin C helps to lower the cholestrol(LDL)
2.anti oxidents in mangoes prevents colon cancer and lukemia.
3.mangoes helps to eliminate pimples.
4.mangoes has vitamin A to cure night blindness,promotes good eye sight.
5.mangoes have rich source of vitamin E to give beautiful skin.
6.keeps immune system healthy and strong.
7.eat mango for good digestion.