Light therapy is gaining popularity in the United States for treating certain lung and skin cancers, according to an article in the Philadelphia Inquirer Jan. 29, 2010.
 
The article describes the light therapy technique, also called photodynamic therapy, which uses light to target tumors in the body without the side effects of radiation and chemotherapy.
 
The treatment infuses a patient with medicine that makes the tumor cells sensitive to light, then a couple days later, a doctor threads a flexible fiber near the cancer cells and shines a red laser at the tumor.

Click to Continue Reading