TED-Ed: Why do we itch? - Emma Bryce

The video explores the phenomenon of itching, discussing its causes, such as bug bites and allergic reactions, and the role of histamine in the body's response. It delves into the mechanics of itching, highlighting the nerve pathways involved and the evolutionary purpose of itching as a protective mechanism. The video also addresses anomalies like delusory parasitosis and phantom itching, and discusses treatments for these conditions, including mirror therapy for amputees. Researchers are investigating genetic factors and developing treatments to block itch pathways.

Describe the psychological condition called delusory parasitosis.

How do doctors treat phantom itching in amputees?