Regular cocaine and cannabis use may trigger addictive behaviours

New cocaine and cannabis research reveals that regular cannabis users have increased levels of impulsive behaviour.  It had previously been argued that this increased impulsivity after cannabis administration was only experienced by occasional users, but that regular users were no longer affected in this way. Published in the British Journal of Pharmacology, the results provide evidence for how drug use may trigger addictive behaviours.  In a study conducted in the Netherlands, 61 healthy regular cannabis and cocaine users took both drugs and a placebo in controlled conditions. They then took part in tests that challenged them to reflect before making