An 11-year-old girl presents with a 6-month history of abdominal pain and nausea upon awakening most days, but no pain at night. Can you make the diagnosis? An 11-year-old girl presents with a 6-month ...

Functional medicine blends psychiatry with nutritional science and personalized treatment strategies. Rooted in evidence, it emphasizes biochemical individuality.

Functional gastrointestinal disorders (FGID) are common diagnoses characterized by physical abdominal complaints in the absence of objective findings on physical examination or laboratory results.

Functional tics are dramatic, involuntary movements or sounds usually made in response to a trigger. While similar to other tic disorders, they have different causes and treatment options. Functional ...