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Innovation

New tech could take light-based cancer treatment deep inside the body

Photodynamic therapy (PDT) is an effective treatment for easily accessible tumors such as oral and skin cancer
But the procedure, which uses lasers to activate special drugs called photosensitizing agents, isn’t adept at fighting cancer deep inside the body. Thankfully, that’s changing due to new technology that could bring PDT into areas of the body which were previously inaccessible.

Described May 11 in the journal Nature Photonics, the approach involves using near-infrared beams of

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