Alternative medicine: What works, and what doesn’t?

Now, the government wants to find out, too

By William J. Broad / The Bulletin
October 1, 2008

More than 80 million adults in the United States are estimated to use some form of alternative medicine, from herbs and megavitamins to yoga and acupuncture.

But while sweeping claims are made for these treatments, the scientific evidence for them often lags far behind: Studies and clinical....

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