The venereal disease research laboratory test (VDRL) is a blood test that can identify syphilis infections. Syphilis is one of the most common sexually transmitted infections (STIs). The Centers for ...

More than half the world’s population is thought to be living with H. pylori. Most people do not have any symptoms. But when an infection grows too much, it can lead to stomach ulcers and chronic ...

A urine sodium test checks the amount of sodium in a sample of your pee to see whether it’s at a normal level. Having too much or too little sodium can mean there’s an issue with your kidneys or ...

Sapha Shibeeb does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...