Chlamydia is a sexually transmitted infection that can cause serious health problems if not treated. It is common, and often goes undiagnosed. Here are five things you should know about Chlamydia: 1) It is easy to get. Chlamydia can be spread through sex, oral sex, or even contact with the urine or feces of an infected person. 2) It can lead to long-term health problems. Untreated Chlamydia can...