Sexually Transmitted Infections Topics
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Embarrassed woman in bed.

STD Rates Hit New Highs for the Fourth Straight Year

Preliminary information from the CDC suggests nearly 2.3 million cases of chlamydia, gonorrhea, and syphilis were diagnosed in the U.S. in 2017.

Couple kissing.

More Viruses Are Found in Semen Than You Might Think

Health experts have known for decades that certain infectious agents can be found in semen, but scientists have made discoveries that have expanded that list.

worried woman

The Risks of Trichomoniasis

Trichomoniasis is one of the most common STDs, with about 4 million new cases in the U.S. annually. Older women are more likely than younger women to have been infected.

older couple holding hands walking on boardwalk

More Singles, More Sex, and More STDs

For many reasons, sexually transmitted diseases are rising among older adults, with potentially serious health consequences.

Couple Cuddling

How to Protect Yourself from STDs

Sexually transmitted diseases (STDs) are about twice as likely to be transmitted from a man to a woman as from a woman to a man.