Articles on Marijuana

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Lucy Haslam and Alex Wodak helped convince the public and politicians that the time for legalised medicinal cannabis had come. AAP/Alan Porritt

Change Agents: Alex Wodak and Lucy Haslam on the push to legalise medicinal cannabis

Change Agents: The push to legalise medicinal cannabis. CC BY-NC-SA46.9 MB (download)
In 2016 three Australian states and the Commonwealth passed laws to legalise the growing of medicinal cannabis. It was an extraordinary result for a campaign that struggled for decades to gain traction.
A Miami police officer looks at a driver’s license he requested from a motorist at a DUI checkpoint. AP Photo/Lynne Sladky

With legal pot comes a problem: How do we weed out impaired drivers?

We have a reliable and easy-to-use test to measure blood alcohol concentration. But right now we don't have a fast, reliable test to gauge whether someone is too doped up to drive.
Cannabis is on display at Shango Premium Cannabis, in Portland, Oregon, Sept. 30, 2015. Timothy J. Gonzalez/AP

Marijuana legalization: Big changes across country

The trend toward marijuana legalization is growing, but the legality, or illegality, of cannabis at the federal level hasn't changed at all.
Sea of Green Farms in Seattle, Washington. REUTERS/JASON REDMOND

From wine to weed: Keeping the marijuana farm small and local

An era of prohibition may soon be over for marijuana, and powerful players are watching. A legal expert explains how smaller, local producers can keep their pot in the game.
One in three adults have smoked pot at some point in their lives. Philippa Willitts/Flickr

Does cannabis cause mental illness?

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.
Packets of synthetic cannabinoids illegally sold in New York City. Sebastien Malo/Reuters

Labs make new, dangerous synthetic cannabinoid drugs faster than we can ban them

Synthetic cannabinoids – drugs that mimic the psychoactive effect of cannabis – have been linked to injuries and deaths. And when one is banned, another rises to take its place.
Men are more likely to use cannabis because of external factors such as peer use, and women for internal factors such as anxiety. Iriana Shiyan/Shutterstock

Men and women use cannabis for different reasons

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?
Heavy cannabis use is consistently associated with poorer attention and memory, and increased rates of metal health problems. Pe3k/F/Shutterstock

Remind me again, how does cannabis affect the brain?

The legislative changes poised to increase the availability of cannabis are outpacing our understanding of the impact that the drug has on the brain.

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