Functional impairment due to cannabis withdrawal

A study of 49 dependent cannabis users by the National Cannabis Prevention and Information Centre (NCPIC) found they had a greater chance of relapse when experiencing certain withdrawal symptoms over a two-week period of abstinence.

The researchers found that in more dependent users, certain symptoms such as physical tension, sleep problems, anxiety, depression, mood swings and loss of appetite were more strongly associated with relapse than other symptoms such as hot flushes, fatigue, or night sweats.

Participants with greater dependence prior to