Medical Hum-drum Hijacked by Politics and Emotion
By Leo Kretzner, December 7, 2009.
“The evidence now shows… that many small collections of cancer cells may be perfectly well contained by our body’s natural defenses, and often even disappear on their own. Cancer, we now know, is not a one-way street. In some cases, small tumors may appear, grow a bit, and then stop, or even go away,” according to doctors David Sevan-Schreiber, Lorenzo Cohen, and Donald Abrams, writing in the Houston Chronicle on December 6, 2009. (http://www.chron.com/disp/story.mpl/editorial/outlook/6755592.html)
As the ability of doctors to detect early cancers improves, we and they are confronting the question of whether some small cancers are being treated that would have never gone on to become real problems.
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Leo Kretzner is a PhD molecular biologist and science writer in Claremont, CA.
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