Newest Physical Evidence of Acupuncture Points

acupuncture point P5A group of researchers lead by Zhang Xinyi, at Fudan University, set out to “figure out the three-dimensional structure of the acupuncture points with the light resources.”  Using a new subatomic particle accelerator in Shanghai, they report detecting physical evidence of the acupuncture points.

The Shanghai Synchrotron Radiation Facility (SSRF) is a newly built machine that emits x-ray beams 100 million times brighter, and 10,000 times more intense than the beam produced by a standard X-ray machine.  Using this facility, Zhang’s team announced that their research found evidence that acupuncture points differ from other parts of the body.

The SSRF is the world’s 4th most powerful particle accelerator of this type.  It went into trial operation in May 2009, and since then, its been used to help in treatment of fatal cancers by being able to detect tumor cells that might be overlooked by X-rays in the hospital.  Its also since been used to research brain diseases with good results.


The light sources of the SSRF can emit different electromagnetic waves tailored to scientific experiments in many fields such as life sciences, biochemical projects, and new materials. Zhang and his team did research on acupuncture points by examining human and rabbit tissue.

“In an experiment on rabbit tissue, we have found that at acupuncture point regions[SP6, ST25, ST36], there

exists the accumulation of micro-vessels. But the images taken in the surrounding tissue out of the acupuncture points do not show such structures,” says Zhangs team in “Imaging Study on Acupuncture Points,” published for the 9th International Conference on X-Ray Microscopy, in 2008.

Interestingly, they also found that certain metals were significantly higher at some of the acupoints than the surrounding tissues.  The human samples showed higher calcium, iron, zinc, and copper at major locations like PC5, and ST38 – both shown on the right.

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