Rather than end the debate over artificial means of contraception once and for all, the encyclical letter Humane Vitae only energized the debate when it appeared in 1968, and that debate continues to this day. Janet E. Smith presents a comprehensive review of this issue from a philosophical and theological perspective. Tracing the emergence of the debate from the mid-1960s and reviewing the documents from the Special Papl Commission established to advise Pope Paul VI, Smith also examines the Catholic Church's position on marriage, which provides context for its condemnation of contraception.