''In recent decades, American perceptions of homosexuality have changed significantly, largely because of the questionable concept of the homosexual “orientation”: a genetic or biological, rather than a behavioral, etiology. These newer beliefs greatly influence how its morbidity, mortality, and social impact are seen, often causing us to overlook how the “gay” male lifestyle significantly increases the incidence of infectious disease and shortens life expectancy by about 20 years.'' (Quoted from paper)