Test or disorder

Age

Frequency of test

Blood pressure, height and weight

>18

Periodically

Pap smear test

Within 3 years of onset of sexual activity or 21-65

Every 1-3 years

Chlamydia test

18-25

Every 1-2 years

Alcohol use screening

>18

Periodically

Tetanus-diphtheria immunization

>18

Periodically

Varicella (chicken pox) vaccine

Susceptible only, >18

Two doses

Measles, mumps, rubella (MMR) immunization

Women, childbearing age

One dose

Depression

If you've felt "down," sad, or hopeless, and have felt little interest or pleasure in doing things for 2 weeks straight, talk to your doctor about whether he or she can screen you for depression.

Blood test for cholesterol

Age 20 onward if you smoke, have diabetes, or if heart disease runs in your family