Schedule I of the Single Convention on Narcotic Drugs limits the possibility of scientific research and the exploration of ...

It’s unacceptable for humanity to demonize a sacred medicinal plant. It was more of a political decision than a scientific ...

A short drive north of Bolivia’s capital La Paz, deep in the lush green valleys of the Yungas, Alicia Calle, a middle-aged Indigenous cocalero (coca farmer), plucked the leaves off the shrubs on her ...

Imagine being prescribed Coca-Cola by your doctor. Weird, isn't it? Not really; the drink was invented by a pharmacist and originally sold as a tonic.

YUNGAS, Bolivia (AP) — Tomas Zavala performs a ritual ahead of each workday in his coca field. Deep in the lush green mountains of Bolivia’s Yungas region, the 69-year-old farmer closes his eyes, ...

TRINIDAD PAMPA, Bolivia (AP) — If it were anywhere else in South America, the nondescript house with buckets of coca leaves soaking in liquid could be mistaken for a clandestine cocaine lab. But this ...

CARACAS, Venezuela — Venezuelan President Hugo Chavez accepted a handful of coca leaves from his Bolivian ally Evo Morales and chewed them during a summit meeting on Saturday, saying "coca isn't ...

FILE - A person puts coca leaves into the mouth of a decorated, human skull on display at the General Cemetery, as an offering during the annual "Natitas" festival, a tradition marking the end of the ...