Final answer:
The factor related to young women and Vulvar Cancer is Human papillomavirus (HPV) infection, which can cause cell mutations and tumor formation. Smoking and early sexual activity also increase the risk, especially when combined with an HPV infection.
Step-by-step explanation:
The factor related to young women and Vulvar Cancer is B. Human papillomavirus (HPV) infection. HPV is a sexually transmitted virus that is a known cause of several types of cancers, including cervical and vulvar cancer. Research has shown that HPV infection can lead to the development of cancer by interfering with normal cell division, allowing cells with mutations to divide uncontrollably, which may result in the formation of a tumor. Smoking is also a significant risk factor as it can double the risk of developing cervical cancer, and by extension, may influence the risk of vulvar cancer as well. This is especially relevant for HPV-infected individuals, as smoking further increases their risk. While tools like the Pap test and HPV vaccines like GARDASIL are available to detect and prevent HPV infections, practices such as having unprotected sex, multiple sexual partners, and starting sexual activities at a young age are risk factors that raise the likelihood of HPV infection, and consequently, the risk of related cancers.