Oral Cancer Caused by HPV Soars in Developed Countries

The human papillomavirus, or HPV, is commonly associated with sexually transmitted infections and cervical cancer. So, when the well-known actor Michael Douglas implied that his throat cancer was caused by HPV, contracted through oral sex, the news made headlines around the world. As VOA's Carol Pearson reports, HPV-caused oral cancer has been on the rise and mostly affects men.