Dj. Long et al., The use of henbane (Hyoscyamus niger L.) as a hallucinogen at Neolithic 'ritual' sites: a re-evaluation, ANTIQUITY, 74(283), 2000, pp. 49-53
Were drugs in use in prehistory? Recent claims for the use of hallucinogeni
c substances have been made, and caused a stir. However, new work on a Scot
tish Neolithic ceremonial site suggests archaeologists (and the media) may
have been jumping to the wrong conclusions!