Dozens of studies and numerous reviews have demonstrated the safety of vaccines.
In an era when opinion often trumps evidence in public health issues, it's time to support and invest in evidence-based medicine to protect the public from dangerous, poorly informed beliefs.
Setting a low age floor for legal access to cannabis could improve drug-use prevention, education, health and safety for youth, research suggests.
(THE CANADIAN PRESS/Justin Tang)
Allowing young people to legally access marijuana will improve cannabis education and use-prevention, and hinder illegal activity.
This is what a marijuana plant, growing legally in Colorado, looks like.
The federal government outlaws marijuana, but many states are legalizing it. Coupled with the growing number of cannabis-related patents, the potential for court battles is dizzying.
High government taxes on legalized marijuana could push people back to the black market.
(THE CANADIAN PRESS/Darryl Dyck)
The Liberal government is on the way to legalizing marijuana. They should keep taxes low to discourage the black market.
A medical cannabis grower.
Scientists have never found a medicine to help crack users who want to decrease their consumption. Canadian researchers think cannabis might be the answer.
Nick Lehr/The Conversation via Wikimedia Commons
Just as Fitzgerald's career was taking off, jazz was under attack for its purported connection to drug culture. If she wanted to become a mainstream superstar, she needed to make a choice.
Smaller-dose pot-infused brownies are divided and packaged at The Growing Kitchen in Boulder, Co.
AP Photo/Brennan Linsley
Edible marijuana, especially in forms that are appealing to young people, is problematic. Here are things to consider to keep kids safe.
Lucy Haslam and Alex Wodak helped convince the public and politicians that the time for legalised medicinal cannabis had come.
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.
Despite dozens of trials internationally, the evidence on medical cannabis is unconvincing.
NSW is about to embark on the largest and most definitive clinical trial ever of medicinal cannabis for chemotherapy-induced nausea and vomiting.
Not so bad?
The current scheduling of cannabis is not only out of step with the available evidence but is restricting its potential use as a medicine.
A Miami police officer looks at a driver’s license he requested from a motorist at a DUI checkpoint.
AP Photo/Lynne Sladky
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
The trend toward marijuana legalization is growing, but the legality, or illegality, of cannabis at the federal level hasn't changed at all.
There is incredible variation between strains of cannabis plant.
AAP Image/QLD Police
The Australian government will now accept licence applications for groups wanting to grow cannabis for scientific and medical purposes. But there's still a lot we don't know about this complex plant.
Millions of Americans in nine states will vote on Nov. 8 for the right to do this.
Robert F. Bukaty/AP
Nine states are deciding whether to legalize marijuana. Yet the drug's prohibition at the federal level has created an unstable financial environment for producers and retailers.
A variety of medical marijuana strains are seen at a dispensary in Denver in 2011.
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.
Legalisation of cannabis for therapeutic use is happening slowly in Australia.
Cannabis has a long history, and its misuse hangs over it like a dark shadow.
Monkey Business Images/Shutterstock
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.
But is the data misleading?
Sea of Green Farms in Seattle, Washington.
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.