Power of light used as healing aid - 7News Boston WHDH-TV

Power of light used as healing aid

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The power of light may be healing when it comes to some medical issues, including back pain.

Doctors in Germany are now using light therapy to treat such pain.

A patch emits blue light, which can relax muscles and widen blood vessels.

Researchers said the result is increased blood flow, which can lower pain in the back.

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