Does cannabis impair driving as much as alcohol? To what extent and for how long? Scientific studies on the effects of THC on alertness, reaction time and risk perception are multiplying, with mixed results. Meanwhile, legislation is evolving: saliva testing, zero tolerance, debates on thresholds. Newsweed follows the science and law of cannabis behind the wheel.
Could a new generation of cannabis screening tools be on the way? Canadian company Cannabix Technologies Inc. has just...
A new study calls into question one of the most controversial aspects of the fight against drug-driving: the question of...
A new study published in Clinical Chemistry by the Association for Diagnostics & Laboratory Medicine (ADLM) calls into question one of the most widely accepted hypotheses in...
The Canadian Cannabis Survey 2024 highlights current trends among cannabis users in Canada, documenting not only the sources of...
The German Bundestag has passed a series of amendments to its cannabis law, just two months after its official implementation. One amendment concerns...
Recent research has explored the effects of cannabis use before bedtime, in particular its impact on cognitive abilities, performance of...
Late in the evening of May 16, 2024, the Bundestag held its first reading of the bill to amend the German Federal Law on...
In the wake of the legalization of cannabis in Germany, changes to the Highway Code are needed to reflect the substance's legality....
On March 26, 2024, the Rennes Court of Appeal handed down a decision that could be a landmark for drivers who consume CBD. The case concerned a...
The Union des Professionnels du Cannabis Bien-être et Détente (UPCBD) continues to be concerned about the strict zero tolerance policy for THC behind the wheel. After losing its previous appeal...
In order to test the effectiveness of roadside cannabis testing, Minnesota's Office of Traffic Safety (OTS) has launched a pilot project to develop a cannabis...
The union of CBD professionals has filed a complaint with the Conseil d'État (the French government's highest administrative court) challenging the validity of saliva tests, the latest version of which dates back...
The results of a recent study published in JAMA Network Open claim to have found a link between the legalization of cannabis and an increase in accidents involving...
An avalanche of simplistic headlines for truncated, misleading information. Following a recent decision by the Cour de Cassation (French Supreme Court), many...
Scientists at the University of San Diego in California have published a study showing that being under the influence of cannabis is not associated with...
The first scientific study to examine the phenomenon of cannabis-induced «hangover» found little evidence of impairment...
The legalization of cannabis in Canada has shown »no statistically significant change in the average cost per claim and the frequency of claims«, according to...
Colorado and Washington made history ten years ago, on November 6, 2012, when they became the first jurisdictions in the world to legalize...
Newly published study shows link between U.S. states with medical cannabis programs and fewer car accidents....
A new study published last month confirms that THC levels detected in the blood or breath of cannabis users do not constitute...