How acupuncture works
In the 1960s, Professor Kim Bong Han and researchers in Korea attempted to prove the existence of meridians in the human body using microdissection techniques. They found evidence of an independent series of fine, duct-like tubes corresponding to the paths of traditional acupuncture meridians.Fluids in this system sometimes flowed in the same direction as blood and lymph, but also traveled the opposite direction at other times. They realized that these ducts are different from the vascular and lymphatic systems that Western medicine had identified, and that meridians themselves might exist within them.
This meridian system was further validated by a French researcher, Pierre de Vernejoul, who injected radioactive isotopes into the acupoints of humans and tracked their movement with a gamma imaging camera. These isotopes traveled 12 inches along the acupuncture meridians within four to six minutes.
Vernejoul then challenged his work by injecting isotopes into blood vessels in random areas of the body rather than acupoints, and found that they did not travel in the same way at all, illustrating that meridians do contain a system of separate pathways within the body.
In 1997, acupuncture gained official credibility with the FDA reclassifying acupuncture needles from "experimental" to "medical device," thereby acknowledging that it is a safe and effective medical instrument. In the same year, the National Institutes of Health (NIH) released a statement endorsing acupuncture for a variety of conditions.
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