The number of sexually transmitted infections (STIs) around the world is increasing and is a "major concern" for health officials, according to a new report published Tuesday from the World Health ...

SAN FRANCISCO -- The number of sexually transmitted infections (STIs) around the world is increasing and is a "major concern" for health officials, according to a new report published Tuesday from ...

Research suggests that certain sexually transmitted infections can damage brain cells and trigger chronic inflammation, which may significantly increase the risk of developing dementia.

The number of sexually transmitted infections (STIs) around the world is increasing and is a "major concern" for health officials, according to a new report published Tuesday from the World Health ...

The report found four curable STIs -- chlamydia, gonorrhea, syphilis and trichomoniasis -- are responsible for more than 1 million infections daily among adults between ages 15 and 49.

The report found four curable STIs -- chlamydia, gonorrhea, syphilis and trichomoniasis -- are responsible for more than 1 million infections daily among adults between ages 15 and 49.

The report found four curable STIs -- chlamydia, gonorrhea, syphilis and trichomoniasis -- are responsible for more than 1 million infections daily among adults between ages 15 and 49.