Extras
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
The Cannabis Question Preview
Cannabis Reverses Brain Aging in Mice
Low doses of THC from cannabis can help older mice learn faster, researchers found.
Cannabis Reverses Brain Aging in Mice
CBD Helps Anxiety Patients in a Clinical Trial
Unlike THC, CBD is not psychoactive and not known to be intoxicating.
CBD Helps Anxiety Patients in a Clinical Trial
How Cannabis Affects Teens' Brains
Our natural endocannabinoids reach their highest levels as the brain develops.
How Cannabis Affects Teens' Brains
How Some Parents Brought CBD to Market to Treat Epilepsy
About a third of epilepsy patients don't respond to medication.
How Some Parents Brought CBD to Market to Treat Epilepsy
Incarcerated for Cannabis: Who's Still in Prison and Why?
Many states have legalized cannabis for medical use, but thousands are still in prison.
Incarcerated for Cannabis: Who's Still in Prison and Why?
A Veteran's Story of Medical Cannabis Use and Arrest
For Black people in America, the war on cannabis is still ongoing.
A Veteran's Story of Medical Cannabis Use and Arrest
What is the Endocannabinoid System?
Cannabinoid receptors, named after cannabis, are found in nearly every organ in the body.
