BEIJING, Aug. 9 (Xinhuanet) --  There are three little-known effects about eggs, except its rich nutrition that is necessary for people.

First, eating eggs can brighten your eyes. Those who eat eggs every day have little risk for cataract according to many researches.

Second, eating eggs make your hair grow faster. Every egg has 300 milligrams of choline in the yolk, which promotes hair growth.

Third, eating eggs can prevent breast cancer, because they are rich in vitamin D. Scientists discovered that women who eat about six eggs every week experience a decreased risk of 44 percent for breast cancer.