Sexually transmitted infections are becoming more common in older adults.

Rates of chlamydia, gonorrhea and syphilis in people ages 55 and up more than doubled in the U.S. over the 10-year period from 2012 to 2022, according to data from the Centers for Disease Control and Prevention.

The number of syphilis cases among people ages 55 and up increased seven-fold during those 10 years, while gonorrhea cases increased nearly five-fold and chlamydia cases more than tripled during that time. 

A…