Previews + Extras
The Cannabis Question Preview
S48 E11 - 30s
As state-legalized cannabis spreads, NOVA investigates the latest scientific evidence for its potential benefits and risks, and how criminalization has disproportionately harmed communities of color.
What is the Endocannabinoid System?
S48 E11 - 3m 49s
THC, the psychoactive component of cannabis, binds to receptors in and outside of the brain, causing cells to behave differently. Cannabinoid receptors, named after cannabis, are found in nearly every organ of the human body.
A Veteran's Story of Medical Cannabis Use and Arrest
S48 E11 - 5m 34s
To manage his post-traumatic stress after serving in Iraq, Sean Worsley got a medical cannabis card in Arizona. Then he and his wife were charged with possession in Alabama, which changed the course of their lives.
How Some Parents Brought CBD to Market to Treat Epilepsy
S48 E11 - 7m 1s
Discover how a group of parents brought a controversial epilepsy treatment — CBD tinctures — to market, and ultimately helped a child reduce how often they got seizures.
How Cannabis Affects Teens' Brains
S48 E11 - 3m 28s
To understand the effects cannabis has on the function and development of adolescents' brains, a clinical psychologist performs brain scans on teenagers that use the drug and those that don't.
Cannabis Reverses Brain Aging in Mice
S48 E11 - 3m 51s
Low doses of THC from cannabis can help older mice learn faster, researchers found. Could it have the same effect in humans?
Incarcerated for Cannabis: Who's Still in Prison and Why?
S48 E11 - 3m 54s
The majority of Americans now live in a state or territory where cannabis is legal for medical use. But many people remain incarcerated for cannabis possession.
CBD Helps Anxiety Patients in a Clinical Trial
S48 E11 - 3m 4s
Are the chemical compounds found in cannabis, including CBD, a potential treatment for reducing anxiety? Here's what one clinical study is finding—and the story of one of its patients.
Why is Researching Cannabis so Hard?
S48 E11 - 3m 39s
Cannabis is labeled as a Schedule 1 drug—the same category as heroin and LSD—and, despite being legal in many states, is illegal on a federal level.
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