What Marijuana Does To Your Brain And Body
It's 4/20. For those not in the know, "4/20" is the unofficial holiday for pot smokers and
The Huffington Post's Ryan Grim traced the term back to 1971. A group of California high school friends, known as the "Waldos" used "4/20" as a code word to refer to the time of the day when they would smoke outside of school.
The term was popularized in stoner communities, courtesy of the Grateful Dead. It eventually went mainstream, much to the dismay of police, parents, and lawmakers.
The drug, best-known for its "feel-good" effects and touted for its uses for multiple diseases, can also be damaging to our bodies and minds.
Marijuana comes from the cannabis sativa plant, and is the dried and shredded leaves, stems seeds and flowers. The high you get from marijuana comes from a chemical called Tetrahydrocannabinol, also known as THC. Some strains contain more or less THC — making them more or less potent.
Most of THC's effects happen in the brain, where the chemical interacts with receptors on
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