This is the earliest direct biomolecular evidence of betel nut use in south-east Asia. We demonstrate that dental calculus can preserve chemical signatures of psychoactive plant use for millennia, even when conventional archaeological evidence is completely absent, added Dr Shannon Tushingham, the senior author, who is the associate curator of anthropology at the California Academy of Sciences
When young people come to him, as they frequently do, with their troubles, which may range from professional setbacks to matrimonial difficulties, he is disposed to ascribe these, reprovingly, to the use of tobacco
Chris Laskodi, M.S., Fish Ecologist Yurok Tribal Fisheries Department Chris serves as the fish biologist/ecologist for the TRRP in the programs Science branch
Why does Coffee taste like cigarettes