All about Vitamin A

from treating your acne to maintaining your visual cycles, Vitamin A helps you keep facing world everyday and anytime. Lets find out about its requirements,sources,function and all other unavoidable information to live a perfect life in the mentioned video TIMLINE: 0:00 Introduction 4:14 Outline 4:25 What are Vitamins? 4:36 Introduction to Vitamin A 5:17 Structure of Vitamin A 5:51 Activation of Vitamin A from Pro-vitamin to Retinoid 6:13 Sources 6:36 Functions 7:00 Metabolism of Vitamin A 8:20 Clinical pearls 10:21 Zinc fingers 11:43 Benefits of Vitamin A 12:10 Treatment of Acne 12:55 Vitamin A and Leukemia 15:45 Vitamin A deficiency 15:58 Causes of deficiency 16:43 Physiology and pathology of Vitamin A 17:56 Symptoms of deficiency 19:16 Excess of Vitamin A 19:48 Concluding points