Molecule find may help explain effects of acupuncture

A BIOLOGICAL molecule that may help to explain the effects of the alternative therapy acupuncture has been identified by scientists.

The chemical, adenosine, is a natural compound known for pain-killing and anti-inflammatory properties. It influences the heart and plays a role in regulating sleep.

Researchers found that adenosine is very active in tissues affected by acupuncture, the ancient Chinese treatment that involves inserting needles into points of the body.