A staggering 75-80% of us will have contracted a human papillomavirus (HPV) infection by age 50. Although HPV infections don't always result in long-term health problems, this sexually transmitted infection can lead to genital warts and many types of cancer.

In fact, almost 100% of cervical cancer cases are attributed to HPV, which also accounts for a significant percentage of vaginal, vulvar and anal cancers. Increasingly...