Cannabis 101 | National Geographic

Cannabis 101 | National Geographic

(gentle upbeat music) – [Narrator] Cannabis, it’s
the most frequently used illicit substance in the United States and arguably, one of
the most controversial. Cannabis, or marijuana, is a drug derived from certain strains of the plant cannabis sativa. The plant’s flowers and leaves contain chemical compounds
called cannabinoids, which produce cannabis’s
mind altering effects. This high is largely
caused by the cannabinoid called tetrahydrocannabinol, or THC. When THC from cannabis
is ingested or inhaled, it overwhelms the body’s
natural levels of THC in the cardiovascular and
central nervous systems. In the brain, THC attaches to neurons that send information via chemicals known as neurotransmitters. The THC decreases the
amount of neurotransmitters the neurons produce, thereby decreasing the amount of information transmitted. This results in psychoactive effects such as lack of coordination, memory loss, hallucinations, and increased appetite. Because of some of the
psychoactive effects, cannabis had been used
for medicinal purposes for thousands of years. Then around the 20th Century, cannabis became more accessible and more widely used for
recreational purposes. But by the late 1960s, the use and possession of cannabis
became illegal in many countries due to debate surrounding
the drug’s effects. Opponents state that
the dangers of cannabis include inducing heart attacks,
decreasing sperm count, and stunting brain development,
particularly in teenagers. Proponents, especially
of medicinal marijuana, site benefits including treating seizures, relieving chronic pain,
and preventing nausea induced by chemotherapy. Because of cannabis’s costs and benefits, many countries continue to wrestle with how to best approach and regulate the controversial substance.

100 thoughts on “Cannabis 101 | National Geographic

  1. The use of cannabis is heavily debated, with studies showing both positive and negative effects of the drug. What are your thoughts on using marijuana?

  2. Best thing is to use nothing unless for medicinal purposes and stay clear headed. Focus on Meditation, wim hof method etc. where you dont take in any external substances.

  3. Continue using your gentically modified and sprayed cannabis folks. Smoking unnatural pesticides and chemicals is good for your health and doesnt cause any negative reactions to your body right?

  4. I'm 55. In all the years that I have smoked or ingested marijuana. I have never hallucinated! I have taken LSD & MAGIC MUSHROOMS, so I know what a hallucination looks & feels like! I don't know anyone that has ever hallucinated on pot!

  5. 0:44 "overwhelms the bodies natural level of THC" This claim is incorrect. While the human body does produce it's own endocannabinoids, and some with similar function to thc, your body does not actually make the molecule of THC.

  6. The way it is illegal in U SA, is fslse. They have it like a dangerous drug, and its not. You cant o.d. smoking weed.

  7. You could've just wait for 1day and you will upload it in 4/20. You missed that opportunity. Snoop dogg disappointed.

  8. Decreasing neurotransmitter ammounts DOES NOT EQUAL decreasing information transfer. This line on the video is absurd and shuould be revised…

  9. According to Ayurved it has lots of medicinal properties. Some medicines are also prepared by using cannbis

  10. It wasn't outlawed because of the reasons you listed . The lumber industry pushed it because it was a direct competitor that was a more eco friendly option and cheaper. Even back then people knew it was beneficial and studies today prove that's the case. People are allowed to drink alcohol which has a serious effect on your health short and long term but weed is illegal … cause the pot head down the street likes to buy twinkies a lot. Proven to have real benefits and the only negetives are ones own opinions and it's up to the individual to decide what those are.

  11. I think all drugs that come in plant-form should be legal. It is better that way, preventing users-to-be from falling in the underground circles of dealers that will surely try pushing harder drugs to get the hooked for life. This way even Cocaine would be legal as it comes from a tree leaf, but to get the same effects they'd need to chew a ton of leafs per day, and by just chewing on few they get a bit of calming al relaxation rather than the hyper from processed cocaine.

  12. Should be legal in all 50 states ….let’s fix our infrastructure and I don’t know about you but I’m tired of hitting pot holes in Pennsylvania….I haven’t smoked for a long time but the only thing I remember is it relaxes you and makes you laugh ….also seen it help people where other medicine doesn’t help

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  14. It was made illegal by Nixon for no other reason than to stop the hippie movement…. Not to mention the fact to push migrant Mexican workers back across the borders… Love how you spread these little untruths to the masses…

  15. Lol so much twisting of the truth in one video. Clearly anti-cannabis. Now make "Alcohol 101" and "Cigarettes 101", let's see how many positive things you can say about those.

  16. when lil dicky came out earth and Weed was shown in it. National Geographic:Why not make a Video About WEED??

  17. After living 40 years as a heroin addict ,I must profess that marijuana has helped me to get off heroin. I have been narcotic free for a year as of may 10th, 2019.I am a spokesperson for Therapeutic health Services which is a methadone providing organization. Marijuana has literally saved my life. I am currently detoxing medically off methadone and without the assistance of cannabis I don't believe i'd be attempting this.

  18. No way the nature plants can harm humans is only will give impact on medical business

  19. I've been smoking everyday for 20 years, I've gone through university, had art exhibitions, learnt to play drums and the guitar,I speak 2 languages, I run my own web design company and enjoy a spot of gardening. Alcohol kills your liver function, messes with your sense of balance, provokes violence , causes heart disease, and is one of the main reasons for domestic violence,child abuse and divorce. So I'll pass on that beer thanks for the offer.

  20. Surely a greater contributor to stunted brain development and mental health issues in young people is their addiction to (legal) cell phones. Over 30 years of smoking and not even the nuclear grade stuff has made me have hallucinations. It can make me have lucid dreams.

  21. Is lovely except mild side effects, obviously is medicine for cancer and things so should be healing drug is fine n all

  22. This is all bs there’s bigger problems out there it’s just a plant. MAKE IT LEGAL ,GET OVER IT!!!!

  23. Calling it marijuana only helps towards the stigma that cannabis cannot be used for good. Personally, I rely on to treat chronic nausea. So many specialists given up on me. I deserve a chance

  24. this is framed in a very targeted bordering on propagandic way – comparing and mixing a mess of misinformation and truths – research everything, y'all: we have to go read up on everything and best go directly to universities and other top establishments in the fields of science, etc.

  25. This was way too short.

    Weight gain and a good night's sleep. I used to smoke a bowl then run 6 miles. It's safe and natural.
    How come when I smoke I am more mentally active?

  26. So, since you say Indica, Ruderalus (if I spelled it right) and hybrids are not cannabis, then what is it, according to you?

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