Skip to Main Content
NOVA

The Cannabis Question Preview

As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.

Aired 09/29/2021

NOVA

The Cannabis Question Preview

Preview: Season 48 Episode 11 | 30sVideo has Closed Captions

As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.

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.

Aired 09/29/2021

National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.

Support provided by:

Carlisle

Cannabis Reverses Brain Aging in Mice

Video has Closed Captions

Low doses of THC from cannabis can help older mice learn faster, researchers found. (3m 51s)

CBD Helps Anxiety Patients in a Clinical Trial

Video has Closed Captions

Unlike THC, CBD is not psychoactive and not known to be intoxicating. (3m 4s)

How Cannabis Affects Teens' Brains

Video has Closed Captions

Our natural endocannabinoids reach their highest levels as the brain develops. (3m 28s)

How Some Parents Brought CBD to Market to Treat Epilepsy

Video has Closed Captions

About a third of epilepsy patients don't respond to medication. (7m 1s)

Incarcerated for Cannabis: Who's Still in Prison and Why?

Video has Closed Captions

Many states have legalized cannabis for medical use, but thousands are still in prison. (3m 54s)

A Veteran's Story of Medical Cannabis Use and Arrest

Video has Closed Captions

For Black people in America, the war on cannabis is still ongoing. (5m 34s)

What is the Endocannabinoid System?

Video has Closed Captions

Cannabinoid receptors, named after cannabis, are found in nearly every organ in the body. (3m 49s)

Why is Researching Cannabis so Hard?

Video has Closed Captions

Here's how approved research is conducted on cannabis. (3m 39s)

Providing Support for PBS.org

Learn Moreabout PBS online sponsorship

National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.

Sign in with Email

or

Continue with GoogleContinue with FacebookContinue with Apple

By creating an account, you acknowledge that PBS may share your information with our member stations and our respective service providers, and that you have read and understand the Privacy Policy and Terms of Use.

Are you sure you want to remove null from My List?