With restrictions to cannabis loosening at the state level, research is badly needed to get the facts in order.
There is strong evidence that cannabis is useful for treating a range of conditions. Legalising small-scale cultivation is a start to helping those in need.
Cannabis has a long history, and its misuse hangs over it like a dark shadow.
A new study found that people who are high on cannabis are less likely to opt for a task with a larger reward if the task requires more effort.
Today, there are more than 20 cryptomarkets selling illicit drugs, or more than 55 if single-vendor markets are included.
But is the data misleading?
A South African Olympic silver medallist achieved something remarkable, especially after testing positive for methamphetamine use in 2012. But care needs to be taken in how this narrative is framed.
147m people used the drug last year. We need to know much more about it.
Awareness of social factors, such as society's perpetuation of masculinity, are critical to understanding the interconnections between trauma, disadvantage and substance abuse in young men.
Legal highs are now illegal in the the UK but why has it taken so long for the law to be changed?
The UK may have signed the UN drugs convention – with its emphasis on prohibition – but that doesn't mean it can't legalise the drug.
The consumption of homegrown cannabis has risen sharply over the past decade.
Liberal Democrat Senator David Leyonhjelm told parliament that of the $1.5 billion spent annually on drug law enforcement, 70% is attributable to cannabis. Are those numbers correct?
With legislation for medicinal cannabis having been passed by the federal parliament, what do we do now about drug-driving laws?
The potential harms associated with using cannabis depend, above all others, on two things: the age at which you first begin to use cannabis and the frequency, dose and duration of use.
A 400-year-old poem offers yet more evidence to suggest that William Shakespeare may have found at least some of his inspiration in cannabis.
Cannabis is the most widely used illicit drug with more than 181 million consumers worldwide, three quarters of whom are men. Why do men and women use cannabis?
More men suffer psychosis, and there are a few reasons that may explain it.
South African forensics may provide clues to the 400-year-old mystery of what was smoked in pipes found in Shakespeare's garden.
Smoking and mental health problems go hand in hand but it's not an easy relationship to untangle.