25,000-Year-Old "Addict" With A Betel Nut Habit Is The Earliest Evidence Yet Of Drug Use In Humans

Analyzing the teeth of a 25,000-year-old skeleton from Sulawesi, Indonesia, researchers have deduced that this individual habitually sucked on betel nuts, and probably developed an addiction to this popular stimulant. Widely consumed across southeast Asia and the Pacific, betel nuts are the world's fourth most popular drug, behind alcohol, caffeine, and nicotine. These days, the nuts are typically mixed with slaked lime and chewed as a "quid" in order to release the psychoactive compound arecoline, triggering mild euphoria and heightened alertness. Although the roots of this practice are poorly understood, it is generally assumed that betel chewing does not pre-date...