8. To prevent colon cancer , people 50 and older and other and others at high risk should get a colonoscopy . Colonoscopy is the only test that can prevent colon cancer. It is usually needed only every 10 years.
To prevent cervical cancer, Pap test are recommended at least every 3 years , starting at age 21 ( or within 3 years of becoming sexually active whichever comes first.) Women 65 and older may no longer need Pap test if recent test have been normal.
Girls ages 11 and 12 should get HPV (human papillomavirus) vaccine against cervical cancer. The vaccine is available for girls as young as 9 and for girls and women 13 to 26 who have not been previously vaccinated.