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Parasite payback

Leishmania might be vulnerable to a common anticancer drug

The breast cancer drug tamoxifen kills the single-celled parasite known as leishmania, a scourge common in the tropics, Brazilian scientists report. While the tests in mice are preliminary, the finding is heartening because few good treatments for leishmaniasis exist, says Silvia Uliana, a physician at the University of São Paulo.

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