NOGALES, Ariz. (KVOA) - U.S. Customs officers at the Nogales Port of Entry recently intercepted a large quantity of drugs attempting to be smuggled into the United States.

The research found that there was nearly a 50% increased risk of dementia among patients aged 55 and over who had used certain types of medication daily for three years or more ...

Traces of cocaine have been discovered in the brains of two people who died in Italy 400 years ago, revealing that the drug was being used in Europe much earlier than previously thought.

Cocaine is extracted from the leaves of coca plant (Erythroxylum coca), a bush native to South America.When Italian explorer Amerigo Vespucci arrived in what is now Venezuela in 1499, he noticed ...

Wikimedia Commons / CC BY-SA 3.0 Erythroxylum novogranatense, a type of coca plant. The study of human remains in the Ca’ Granda crypt suggests that 17th-century Europeans were consuming coca, a ...

Of the approximately 200 members in the genus Erythroxylum, most species contain the central nervous system stimulant tropane alkaloid, known more commonly as cocaine.Because the plant is endemic ...

Coca plants belong to the Erythroxylum genus, which includes over 270 species, mostly native to the American tropics. Two primary species of cultivated coca are Erythroxylum coca and Erythroxylum ...

Ever wondered how scientists tell apart coca plants grown for different human uses (sometimes illegal) from those that grow wild? A new paper published today in Molecular Biology and Evolution reveals ...

Coca plants belong to the diverse genus Erythroxylum, which includes over 270 species, primarily native to the American tropics. Two main cultivated coca species are Erythroxylum coca (Huánuco coca) ...

The leaves of these two species—plants grown specifically under human cultivation and adapted to a human environment—were thought to be different from leaves of closely related wild Erythroxylum ...