B). Using improper body piercing methods
Using improper piercing (and tattooing) methods can lead to serious infection along with not taking proper care of the pierced area.
Human papillomavirus (HPV) causes genital warts. It is also a very common STI in Canada, especially among teens and young adults. Research shows that the virus that causes genital warts is also linked to cervical cancer. Syphilis is a bacterial infection that is less common but still remains a cause for concern.. So C
Answer:
because you inhale metals into your lungs which damages them