Egg contains 6 grams of protein(10% of RDA) and essential amino acids which are useful for proper growth.
Women who take eggs in their diet regularly are 40% less prone to breast cancer.
Due to presence of zeaxanthine and leutine, eggs are useful in the treatment of eye cataract.
Egg is the only source which contains naturally occurring vitamin D.
Egg yolk contains 3 micrograms of choline which is useful for proper functioning of brain and CNS.