Acupuncture needles consist of a stainless steel shaft and a handle made out of copper or steel. There are nine types of needles used in acupuncture; however, only six are commonly used.
, also commonly spelled ch'i, chi or ki, is a fundamental concept of everyday Chinese culture, most often defined as "air" or "breath" (for example, the colloquial Mandarin Chinese term for "weather" is tian qi, or the "breath of heaven") and, by extension, "life force" or "spiritual energy" that is part of everything that exists. References to qi or similar philosophical concepts as a type of metaphysical energy that sustains living beings are used in many belief systems.
Title: Hypnosis In Medicine
Category: Doctor's Views
Created: 4/15/2005
Last Editorial Review: 9/9/2009
Title: Cervical Cancer
Category: Diseases and Conditions
Created: 12/31/1997
Last Editorial Review: 12/14/2009