New study in the FASEB Journal shows how substances similar to THC are necessary for healthy skin and may lead to new skin disease treatments

Claims that a large increase in the strength of cannabis over the last decade is driving the occurrence of mental health and other problems for users are not borne out by a study of the worldwide literature, say researchers at the National Drug and Alcohol Research Centre (NDARC) and the National Drug Research Institute (NDRI), both from Australia.

Smokers trying to quit in the future could do it with the help of cannabis based medicines, according to research from The University of Nottingham.

Young people who are heavy smokers of cannabis may be putting themselves at significant risk for periodontal disease, according to new research.

New information published in the Journal of Applied Biobehavioral Research explores University students’ motivations for using or not using cannabis and found various factors that might encourage use.

The world’s leading expert on the opium poppy has joined forces with researchers working on another infamous drug-producing plant – cannabis – in hopes of finding new uses for the much-maligned sources of heroin and marijuana.

A new neurobiological study has found that a synthetic form of THC, the active ingredient in cannabis, is an effective anti-depressant at low doses. However, at higher doses, the effect reverses itself and can actually worsen depression and other psychiatric conditions like psychosis.

Cannabis (marijuana) is the most widely produced plant-based illicit drug worldwide and the illegal drug most frequently used in Europe. Its use increased in almost all EU countries during the 1990s, in particular among young people, including school students. Cannabis use is highest among 15- to 24-year-olds, with lifetime prevalence ranging for most countries from 20–40% (EMCDDA 2006).

A single cannabis joint has the same effect on the lungs as smoking up to five cigarettes in one go, indicates research published ahead of print in the journal Thorax.