Farhad Majoo: The Pap smear is the most effective cancer-screening test ever developed. When it was introduced in the United States in the 1940s, about 26,000 women died every of year of cervical cancer. Today, the exam—now known as the Pap test, since the modern method of preparation no longer requires smearing cells on a … Continue reading Why the highest-paid doctors are the most vulnerable to automation