Barbital (Veronal) Intoxication

The influence of barbital on the activity and learning of white rats.

“…There are many reports on the "veronal habit" which may be formed (3,7,19). Sands (20) holds that most addicts are emotionally unstable individuals falling into the manic-depressive group. Seymour (21) and Tillotson (23) feel that the majority of addicts fall into related abnormal groups-psychopathic and psychoneurotic types.…”