15 April 2021

• Problematic opioid behaviors are dynamic and time-limited, new study finds
  Problematic opioid use behaviors are typically dynamic and time-limited, a new study by researchers at the National Drug and Alcohol Research Centre (NDARC), UNSW Sydney has found.
• Smoking cannabis significantly impairs vision, study finds
  A study carried out by the University of Granada indicates that smoking cannabis significantly alters key visual functions, such as visual acuity, contrast sensitivity, three-dimensional vision (stereopsis), the ability to focus, and glare sensitivity.
• Genetic predisposition to schizophrenia may increase risk of psychosis from cannabis use
  It has been long been known that cannabis users develop psychosis more often than non-users, but what is still not fully clear is whether cannabis actually causes psychosis and, if so, who is most at risk. A new study published in Translational Psychiatry by researchers at the Centre for Addiction and Mental Health (CAMH) and King's College London helps shed light on both questions. The research shows that while cannabis users had higher rates of psychotic experiences than non-users across the board, the difference was especially pronounced among those with high genetic predisposition to schizophrenia.
• THC and CBD content on labels of medicinal cannabis products may not be accurate
  Medical cannabis products are not always what they seem, according to a new study led by researchers at the Massachusetts General Hospital (MGH).
• Early cannabis use linked to heart disease
  Smoking cannabis when you're young may increase your risk of developing heart disease later, according to a recent University of Guelph study.