Aging refers to the physiological changes that are endured by an organism, which results in the deterioration of biological functions and the capability to adjust with the metabolic stress. It is a progression, which takes place during the life span of a living organism. Cells and organs, or the whole organism undergoes aging with the passage of time. Diseases related with age are basically difficulties that arise with senescence and they differ from the process of aging. Age related diseases include cancer, cardiovascular disease, cataracts, hypertension, atherosclerosis, osteoporosis, Alzheimer's disease, and type-2 diabetes. The frequency of such diseases tends to increase with age. This book aims to understand the clinical perspectives of aging. Also included herein is a detailed explanation of the various mechanisms and interventions of aging and aging-related diseases. This book will prove to be immensely beneficial to students and researchers in the field of aging and geriatric medicine.