“…There was, however, a trend of higher proportions of cannabis use within the last 30 In the total sample, alcohol was the substance most frequently used during the last 30 days prior to admission (80.6%), followed by cannabinoids (44.0%), opioids (25.6%), cocaine (23.3%), benzodiazepines (21.7%), and stimulants (19.3%), as well as others (MDMA (13.0%), hallucinogens (9.4%), GHB (6.3%)). About 35% of the patients (35.8%) reported the use of more than one substance during the last 30 days.…”