Proton therapy appears to be harmful for specific brain tumors and effective for others: this is how it works

Cancer is often fought with radiation. With proton therapy, a tumor can be irradiated in a very targeted manner, resulting in fewer side effects. But now research shows that the treatment can actually be harmful for certain brain tumors. How does it work and is it safe for other types of cancer? Radiation oncologist Remi Nout explains.

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