Smoking is a chronic, non-communicable disease that is considered preventable, belonging to the group of addictions and is catalogued in the Diagnostic and Statistical Manual of Mental Disorders DSM-IV of the American Psychiatric Association. The present book gathers a scientific approach from the perspective of adolescence, taking into account that this almost always uses "the smoking model" as one of the evidences of their adulthood and emancipation, reinforcing their external image and turning smoking into one of the most serious health problems on a global scale, defined as the great silent epidemic of the 20th and 21st century, for which immediate alternatives are demanded to preserve human health at an early stage. "Second-hand smoke kills" WHO.