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New Laser Heals Wounds Faster, Without Scarring

All surgical patients want their wounds to heal quickly with the least possible scarring. But traditional stitches, clips and more modern chemical glues all have their own disadvantages. Israeli scientists say they have developed a laser that bonds tissue in a way which leaves almost no trace. For decades, doctors have known that cuts in living tissue can be “welded” together by heat. But keeping the temperature of the welding tool constant proved to be a daunting...

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