Everyone wants to be happy. Some of us seek happiness through our families, in natural and healthy living, in successful careers, active lives, fine gourmet foods, gambling, or through sports and exercise. Others experience happiness in politics, the arts, academia,or in hobbies ranging from mechanics and computer science to drama, philanthropy, welfare work, and literally thousands of other activities that comprise man's unending quest for pleasure. Millions of people find their happiness in liquor, mood elevators, tranquilizers, or other drugs. Each day doctors and scientists discover more about how the human mind and body work. Yet with this abundance of scientific knowledge and space-age technology, which vastly outstrips that of all previous generations, is modern man really happier than his predecessors?