Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Many persons are living a sedentary lifestyle across the globe yet they ignored completely about the dangers which are awaiting them! Advanced technology like television, mobile phones, computers and other electronic engines have urged individuals in becoming more lazy and less active. Medical researchers highlight an elevated number of diseases being recorded due to inactivity. Besides, many people die each day since they have developed many diseases due to lack of exercises in the body...