This document provides information about dry needling from Dr. Subhanjan Das, an instructor of dry needling techniques. It aims to dispel common misconceptions about dry needling, such as it being related to Chinese acupuncture or being unscientific. The document explains that dry needling involves using disposable acupuncture needles to target trigger points and relieve pain, without delivering any medication. It provides details on needle selection, techniques like deep needling and electrical stimulation, precautions, and references supporting the physiological effects of dry needling.