No "new" news here, but an informative look at in vitro testing considerations for nasal drug delivery written by Theo Kapanadze, chief scientific officer for Diteba Research Laboratories, based in Mississauga, Ontario. The first couple of sentences gives a brief, but surprisingly complete, historical overview of nasal drug delivery. "Drugs have been administered nasally for therapeutic and recreational purposes since ancient times. Psychotropic drugs and hallucinogens were snuffed for these purposes by the Indians of South America, and this practice is currently widespread among abusers of cocaine and heroin." Story