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    Fighting Cancer With Light

    Researchers are using LED light to push immune cells into killing tumors—and it just might work.
    by Jessica Wapner Jun 23, 2017 3 minutes
    A wireless signal from a small battery pack directs the LED beam to shine light onto the tumor, sending the T-cells racing in that direction.
    06_23_CancerLight_02

    Using the immune system to fight cancer seems logical. If the immune system spots and attacks foreign invaders, then couldn’t those talents be harnessed to kill the trespasser that is cancer? Many scientists have puzzled about why the immune system doesn’t readily eradicate tumor cells and if it could be taught to do so. That question has led to the burgeoning field of immunotherapy, currently hailed as a great hope for treating cancer.

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