With studies showing that more than half of America's teenagers have experienced sexual intercourse by the age of 18, educating kids about sex is something all parents need to do.

Chlamydia is the most frequently reported bacterial STD by far in the United States -- and it can cause serious complications and infections for both men and women if left untreated.

Many myths are associated with donating and receiving blood, including the threat of catching HIV, hepatitis, and other communicable diseases.

A Pap test is a way for your doctor to examine cells collected from the cervix for infection, inflammation, or cancer.

Cervical cancer develops from abnormal cells on the surface of the cervix that spread deeper or to other tissues or organs. This type of cancer occurs most often in women older than 40.

Cervical cancer is one of the most preventable types of cancer because you can control the risk factors. A screening test is available, as is a vaccine for girls and young women.

Most people in the United States who have Kaposi’s sarcoma (KS) are HIV-positive. Avoiding HIV could stop most cases of KS.

Pap tests can discover changes in the cervix before they become cancerous. The chance of being cured is higher when doctors find the cancer in its early stages before it has spread.

You say you feel great, but what do you really know about your health? To find out, get the screening tests you need.

The leading substance-abuse threat to children may be as close as your refrigerator. About 10 million adolescents drink alcohol. In fact, minors drink 19 percent of the alcohol consumed in the United States.

Ecstasy, GHB, Rohypnol and Ketamine are some of the so-called club drugs used by teens and young adults at nightclubs and raves -- all-night dances.

As a woman, your body is much more sensitive to the effects of alcohol and more easily damaged than a man’s body. Because women have less water in their body than men, alcohol doesn't dilute as much and more of it gets absorbed into the blood. That’s why women suffer greater physical damage and often become more intoxicated than men when they drink identical amounts of alcohol.

Women can't always stay healthy and prevent disease. But by having certain screening tests and practicing healthful behaviors, they are more likely to live long, healthy lives.

If you have risk factors for cervical cancer, the best thing you can do is avoid as many of the risks as possible, and get regular Pap tests.

The best thing you can do to prevent vulvar cancer is to lower the risks you can control and to get regular gynecological exams. In some cases, doctors also recommend doing self-exams.

Doctors say that feeling great when you're as old as your parents may rely a lot on what you do now.