Annually, starting at the onset of sexual activity or age 18, whichever comes first. Doctor may recommend a different schedule in case of several "clear tests" in a row.
Mammograms
The American Cancer Society recommends a yearly mammogram for women 40 or older. Women with high risk may be advised to get more frequent screenings.
Prostate Cancer Screening
The American cancer society recommends that men have yearly prostate-specific antigen blood tests and digital rectal examinations starting at age 50. Men in high risk groups (African Americans and those with family history) should begin screening at age 45.
Cholesterol Screening
Every five years, both for men and women, starting at age 20.
Colorectal Cancer Tests
For men and women 50 year or older, an annual fecal occult blood test is recommended. Flexible sigmoidoscopy is advised every three to five years.