The Seattle Times

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KAREL NAVARRO / AP
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Thursday, January 11, 2007

Bioprospecting: Who has rights to nature's cures?

Timotea Cordova , 80, prepares a traditional elixir to ward off the breathless effect of the high Andean altitude. For hundreds of years, Quechua Indians have grown maca, a frost-resistant root, to boost stamina and sex drive.