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To mark World Cancer Day, which took place on February 4, we take a closer look at red light therapy. This technique harnesses low-wavelength red light to improve skin appearance. It’s already used by the cosmetic industry but is now touted to treat medical conditions. In France, Red Light Therapy is being tested to accelerate the healing and regeneration of tissues damaged by heavy cancer treatments such as chemotherapy and radiotherapy. FRANCE 24’s Julia Sieger tells us more.

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