Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Global statistics shave shown that average person in the Western world takes 12 different kinds of medications every day where some of them have proved to be in conflict with each other . Consequently, a quarter of all hospitalized patients over the age 80 suffer from significant side effects where their DNA has extremely been damaged. What is the DNA damage theory of aging? According to medical scientists, the DNA damage theory of aging is a field that advances that aging is the consequence of unrepaired DNA damage accumulation. Scientific researchers have brought up evidence showing that DNA damage is very much responsible for the aging function of an individual. For instance, nuclear DNA damage can contribute to aging either via apoptosis or cellular senescence...