
Marijuana on the Ballot
On Tuesday, nine states will be voting on whether to legalize pot for medical or recreational use. Here’s the latest on the research and controversy of marijuana
Don’t Hold Your Breath for a Marijuana “Breathalyzer” Test
Technology closes in on a roadside device to check pot levels—but the definition of stoned driving remains elusive
The DEA’s Decision to Keep Pot Restrictions Perpetuates Hypocrisy
Keeping existing federal rules in place is an exercise in hypocrisy
Could Medical Cannabis Break the Painkiller Epidemic?
A body of research suggests yes, but scientists are having to fight red tape to study whether medical marijuana could substitute for opioid drugs

A Doctor's Take on Pot
We rarely worry about marijuana. So why is it still a Schedule I drug?

Why Expanding Marijuana Research Matters
A recent federal policy change may boost development of treatments derived from the drug

The Science behind the DEA's Long War on Marijuana
Experts say listing cannabis among the world’s deadliest drugs ignores decades of scientific and medical data. But attempts to delist it have met with decades of bureaucratic inertia and political distortion...

Scientists Want the Smoke to Clear on Medical Marijuana Research
As U.S. policy lurches along, researchers say easing DEA rules could lead to big advances

Can Cannabis Treat Epileptic Seizures?
New evidence suggests that a chemical derived from marijuana may be an effective treatment for patients with drug-resistant forms of epilepsy

Marijuana Madness: Hopped-Up Weed May Pose Risks for Users
Preliminary studies reveal harmful effects of highly potent cannabis, but causal links remain unclear

Beyond Trump versus Clinton: A Scientist's Guide to the Election
The congressional races and state ballot measures that could shape U.S. science