A tiny laser, 100 times brighter than the Sun, could help to treat arthritic knees and prevent the need for joint replacement surgery.
The laser light is inserted into a vein in the arm, where researchers believe it will accelerate blood flow around the body — bringing more nutrients and oxygen to speed up the repair of damaged tissue in worn-out joints, as well as having an anti-inflammatory effect.
It’s also thought to trigger the release of stem cells, the body’s master cells, which can help form new tissue.
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