Credit: Getty Images / Rodolfo Parulan Jr. If you're sexually active, chances are you've probably worried about STIs at some point. Google is often our first port of call when we're in the midst of an ...

Chlamydia is often called a “silent infection” because many people don’t know they have it. It’s caused by a type of bacteria called Chlamydia trachomatis and can affect both men and women. While it’s ...

Sexually transmitted infections, or STIs, include both sexually transmitted diseases, known as STDs, and the many infections that don’t progress to disease. STIs are caused by more than 30 different ...

Sexually transmitted infections (STIs) are more common than many people realize. The World Health Organization estimates that more than 374 million new STIs occur each year worldwide, and chlamydia ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Chlamydia and gonorrhea are on the rise in New York City, a new report ...

A new study has identified markers that may predict whether a chlamydia infection is likely to ascend into the uterus and endometrium. The work, published in Infection and Immunity, could lead to new ...

Koalas are an endangered species. This was not always the case, as the wild, adorable marsupials were once widespread across the Australian continent. However, over the last two centuries, ...