Princess Kate also affected: cancer in the abdomen, which can occur in younger women. The observed increase in colon cancer diagnoses among people under 50 could, on the one hand, be related to improved early detection in industrialized countries.

An unhealthy lifestyle may also be responsible for the increase in cancer cases. Human papillomavirus (HPV) is the most common sexually transmitted viral infection worldwide. A vaccination can prevent the development of cervical cancer caused by HPV. The Standing Vaccination Commission (STIKO) of the Robert Koch Institute recommends vaccination for girls and boys between the ages of nine and 14.