Tetracycline is one of the most familiar and widely used antibiotics for the cure of infections. It has no effect against cancer. But now it seems that by a peculiar quirk, tetracycline may become one of the diagnostician's sharpest tools for cancer detection. And early detection is half the battle in curing many forms of the disease.
For reasons unknown, drugs of the tetracycline family concentrate more in cancer cells, and stay in them longer, than they do in normal cells. Tetracycline has the further peculiarity of glowing yellow under ultraviolet light. To put these peculiarities to use, doctors...
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