What is the Endocannabinoid System?
Season 48
Episode 11
About the Episode
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.
Aired:
| Expires: | Runtime: 3m 49s
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Extras
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A Brutal Gladiator Fight in Ancient Pompeii
At a gladiator match in ancient Pompeii, tensions exploded and spectators became fighters in a riot.2:37 -
This Asteroid Might Make Impact With Earth in 2032
An asteroid is on a collision course with Earth, possibly making impact in 2032.3:33 -
Opening a Sealed Egyptian Tomb
Archaeologists remove the mud brick seal of an unopened Egyptian tomb.2:38 -
How the Afterlife Shaped Ancient Egypt
Discover why the ancient Egyptians invested so much in life after death.1:15 -
The God’s Wife of Amun: Powerful Women in Ancient Egypt
Discover a time in Ancient Egypt when women held a role with extraordinary power.3:03 -
The $8 Billion Overhaul of LaGuardia Airport: Engineering a New Era
Discover how an $8 billion transformation turned LaGuardia into a state-of-the-art facility.2:12 -
Baltimore Bridge Collapse Preview
Follow the investigation into the deadly container ship collision that closed the Port of Baltimore.0:30 -
How Birds Evolved to Fly (feat. Slow-Mo Baby Birds)
Slow-motion footage of baby birds helps scientists uncover how their ancestors took to the skies.2:56 -
Pompeii's Secret Underworld Preview
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.0:30 -
How Birds Survived the Dinosaur Apocalypse
Birds are today’s only living dinosaurs, but how did they survive the asteroid?2:48
