Infrared light offers promise of laser-sharp cancer therapy
Technique zaps tumors with reduced risk of side effects
By Janet Raloff, 17:23 PM August 27, 2012
Claiming scalpel-like precision, Canadian scientists have delivered lightning-fast laser pulses of infrared light to obliterate tumors in animals. Whereas conventional radiation therapy delivers cell-killing radiation to all cells throughout a beam’s path, the new approach causes no damage to tissue surrounding a targeted tumor, its creators say.
The spillover damage to healthy bystander cells triggers the nausea and other side effects associated with conventional radiation therapy, explai...
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