Background. Cannabis use is common in North America, especially among young people,
and is associated with a risk of various acute and chronic adverse health outcomes …

As marijuana use becomes legal in some states, the dominant public opinion is that
marijuana is a harmless source of mood alteration. Although the harms associated with …

Background: Cannabis is increasingly available for the treatment of chronic pain, yet its
efficacy remains uncertain. Purpose: To review the benefits of plant-based cannabis …

Background Cannabis use is common, and associated with adverse health
outcomes.'Routes of administration'(ROAs) for cannabis use have increasingly diversified, in …

Aims To examine changes in the evidence on the adverse health effects of cannabis since
1993. Methods A comparison of the evidence in 1993 with the evidence and interpretation of …

Background The use of cannabis, or marijuana, for medicinal purposes is deeply rooted
though history, dating back to ancient times. It once held a prominent position in the history …

Regular smoking of marijuana by itself causes visible and microscopic injury to the large
airways that is consistently associated with an increased likelihood of symptoms of chronic …

Marijuana is becoming legal in an increasing number of states for both medical and
recreational use. Considerable controversy exists regarding the public health impact of …

Background The past two decades have seen an increase in cannabis use due to both
regulatory changes and an interest in potential therapeutic effects of the substance, yet …

This paper summarizes the most probable of the adverse health effects of regular cannabis
use sustained over years, as indicated by epidemiological studies that have established an …