“…Use for smoke and fragrance in storage places could be interpreted as ‘functional’ fumigation, while use, without excluding some functionality (see below), by the fireplace, the centre of life in a household, would be quite credible as a social, medicinal or symbolic activity. We do not have any evidence for the use of narcotic substances in our samples—which would bring us to Sherratt's argument (1991, 53) that burning was the original mode of narcotic use, possible narcotic substances used in prehistory including cannabis (hemp) and opium—but palynological analyses have shown the presence of Cannabis sativa in the area around the Dikili Tash tell, at least in the Bronze Age (Lespez et al . 2000, 413, 428, 433).…”