Readers can separate hype from reality and make informed decisions on this important vitamin that is essential for good health and plays an instrumental part in protecting the body from a number of deadly illnesses.From its well-known role in eyesight to its more controversial role in cancer protection, vitamin A is the new headline-grabbing vitamin. Research shows that vitamin A derivatives may be helpful in treating psoriasis, acne, skin cancer, and heart disease. Also discussed is the vitamin's "vital statistics", composition, sources, and recommended dosage.