We all are familiar with the idea of wine and cheese tasting better with "age". The quest for being young dates back to the pages of history and stories we have heard for a long time. While aging is a universal truth, further understanding of its inner aspects. Aging is associated with changes warranting special care. This book presents a few interesting research insights into aging and approaches to handling it. Starting off with the background, the impact of miRNAs in aging is also presented followed by the roles of gut bacteria and the diet.