In the latest Our Bodies, Our Lives column by UTMB’s Dr. Tristi Muir: Cervical cancer once was the No. 1 cancer in women. After the introduction of Pap smears, cervical cancer rates in women in the United States fell to No. 14. Even today, screening is not available in many developing countries, and in those countries, cervical cancer remains the leading cause of cancer death in women. The Pap smear is a very effective screening tool that has saved the lives of millions of women. So why are doctors decreasing the frequency of Pap smears?