Ryan McAllister, MD

Urine drug screens are often followed by confirmatory gas chromatography/mass spectrometry (GC/MS) tests. Periodically, GC/MS tests can have false-positive results. Read this case of a man with a past...

Kratom has emerged in the market as an herbal medication for pain management. However, it is not FDA approved or regulated, and there is very little research and reputable...

Use of high-potency cannabis derivatives has become increasingly popular over the past few years; however, their effects are not fully known. Here, read the case of a woman who...