ABOUT DR. DZUGAN Sergey A. Dzugan, MD, PhD, is a heart surgeon by training and has authored 6 books which were read by millions. His work has been published more than 150+ times in medical journals around the globe and he remains to be a wanted speaker and educator to physicians and patients all over the world.
Vitamin A is the most important a part of optimal eye and skin health.
Vitamin A is an important component within the function of the eyes.
Vitamin A influences normal skin cell growth and maturation.