passes from the lungs into the bloodstream. The  THC is then carried by the blood to the brain,  

從肺部進入血液中。然後四氫大麻酚被血液帶入大腦。

where it acts on specific cannabinoid receptors.

它在那裡作用於特定的大麻素受體。

These receptors are found in areas of  the brain associated with: concentration, 

這些受體存在於大腦中與以下方面有關的區域：濃度。

thinking, time perception, 

思考，時間感知。

coordination, memory, 

協調，記憶。

and sensory pleasures.

和感官上的愉悅。

The effects of THC activation in these areas  is responsible for the “high” that people  

四氫大麻酚在這些區域的激活作用是人們 "興奮 "的原因。

feel. But besides creating an altered  state of mind, something else happens.

感覺。但除了創造一種改變的精神狀態外，還有其他事情發生。

In the United States, according to a 2018 survey,  1 in 8 adolescents aged 12 to 17, consumed  

在美國，根據2018年的一項調查，每8名12至17歲的青少年中，就有1人消費了

marijuana in the past year. In 12th grade, about  1 in 16 do so daily. So - what's the problem?  

在過去的一年裡吸食大麻。在12年級，約有1/16的人每天這樣做。那麼--問題出在哪裡？

Even super smart people smoke, right? Let's look  at the effect of cannabis on a teenager's brain!

即使是超級聰明的人也吸菸，對嗎？讓我們來看看大麻對青少年大腦的影響!

The brain's response to counter the  effects of THC impairs it's attention, 

大腦為對抗四氫大麻酚的影響而做出的反應會損害它的注意力。

its ability to remember, and  its potential for learning.

它的記憶能力，以及它的學習潛力。

These Effects can last up to  several days. This would not be  

這些影響可以持續數天。這不會是

such a problem if our brain ran like  a machine. But that's not the case.

如果我們的大腦像機器一樣運行，就不會有這樣的問題。但事實並非如此。

The brain is a living organism — maybe the  most precious one there is. In teeangers,  

大腦是一個活的有機體--也許是最珍貴的有機體。在Teeangers。

that organism is still immature. It  takes about 25 years for the human  

該生物體仍未成熟。人類需要大約25年的時間

brain to be fully developed. This is  why when teenagers and adults argue,  

大腦得到充分發展。這就是為什麼當青少年和成年人爭吵時。

they often come to different conclusions.  There is a biological reason for that.

他們經常得出不同的結論。 這是有生物學原因的。

Adults have a fully developed prefrontal cortex,  

成年人有充分發展的前額葉皮質。

the part of the brain that is responsible  for judgment and an awareness of long-term  

大腦中負責判斷的部分，以及對長期的認識。

consequences. The cortex of teenagers is  still growing. They are more influenced  

後果。青少年的大腦皮層仍在成長。他們受到的影響更大

by their already matured limbic system,  which responds to fears and emotions.

由他們已經成熟的邊緣系統負責，該系統對恐懼和情緒作出反應。

If the developing brain is  exposed to a lot of THC,  

如果發育中的大腦接觸到大量的THC。

the part responsible for controlling emotions  may never reach its full potential. This can  

負責控制情緒的部分可能永遠不會發揮其全部潛力。這可以

have long-term consequences and effects on one's  measurable intelligence, learning and judgment.

對一個人的可測量的智力、學習和判斷力有長期的後果和影響。

One study that followed 13 year olds  for 25 years has found that those who  

一項對13歲兒童進行了25年跟蹤調查的研究發現，那些

regularly consume marijuana lose on  average 5.8 IQ points by the time  

經常吸食大麻的人，到最後平均損失5.8個智商點。

they reach adulthood. Since our average  IQ is just 100, that is enough to shut  

他們到達成年後。由於我們的平均智商只有100，這足以關閉

the door to a good college or close the  opportunity to work at a great company.

進入好大學的大門或關閉在偉大公司工作的機會。

But that's not all.

但這還不是全部。

There is also evidence that some  teenagers that use cannabis are  

也有證據表明，一些使用大麻的青少年是

at higher risk of developing depression  or even a psychosis. A psychosis changes  

患抑鬱症或甚至精神病的風險更高。精神病會改變

the way the brain processes information,  and causes you to lose touch with reality.  

大腦處理資訊的方式，並導致你與現實失去聯繫。

You can see and hear things that aren't  real and may completely lose your mind.

你可以看到和聽到不真實的東西，並可能完全失去理智。

In short, the high of cannabis comes with a  multitude of side-effects. Some might be fun,  

簡而言之，大麻的興奮伴隨著眾多的副作用。有些可能是有趣的。

some might be healing, and some are  potentially horrible — we don't always know.

有些可能是治癒的，有些可能是可怕的--我們並不總是知道。

If you want to live life with the ultimate  learning machine inside your head,  

如果你想在你的腦袋裡有一臺終極學習機的情況下生活。

you might want to wait until your mind  is fully developed before trying weed.

你可能想等到你的心智完全發育好了再嘗試大麻。

What are your thoughts? Did you ever try  cannabis as a teenager? And if so, do you  

你有什麼想法？你在青少年時期曾經嘗試過大麻嗎？如果有，你是否

think it did damage to your mind or not? Please  share your experiences in the comments below!

你認為它是否對你的思想造成了損害？請在下面的評論中分享你的經驗!

This video was made in association with  Cannabis.org and was sponsored by Weed.com

本視頻是與Cannabis.org聯合制作的，由Weed.com贊助。

If you like how we explain complicated  ideas in simple cartoon animation,  

如果你喜歡我們用簡單的卡通動畫解釋複雜的想法。

you can support us. Visit  patreon.com/sprouts. Take a look,  

你可以支持我們。請訪問 patreon.com/sprouts。看一看。

learn how it works, and what's in it  for you. We hope to see you there!

瞭解它是如何工作的，以及它對你有什麼好處。我們希望在那裡見到你!

If you are a parent or educator, check out  our website sproutsschools.com There you  

如果你是一名家長或教育工作者，請查看我們的網站sproutsschools.com 那裡有你

can find all our video lessons for  download without background music,  

可以找到我們所有的視頻課程下載，沒有背景音樂。

plus additional resources,  and classroom activities.

加上其他資源和課堂活動。