1926. Ramus, surgeon with the U.S. Public Health Service, offers his theories on aging. Contents: The Quest for Prolonged Youth; Causes and Conditions; The Glandular Secretions; Drugs in Aging and Its Prevention; Surgical Operations; Subconscious Psychology; Psychological Influences; Psychology and Modern Progress; The Climacteric; Historical Cases of Great Longevity; More Historical Cases; The Antediluvians; The Prevention of Middle Age; Facts about Foods; Summary and Conclusions; and Treatment.