To answer that question, scientists have turned to rats.为了解答这个问题，科学家们用老鼠来做实验。Th ...

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John can now barely imagine life without cannabis.约翰现在只能想象一下没有大麻的日子。I think to mys ...

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That the cannabis plant should have evolved to produce a chemical that fits the highly complex recep ...

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By mapping out where cannabinoid receptors exist in the brain, and in what density,通过了解大脑中存 ...

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In fact, they are the densest receptors, one of the densest receptors in the brain, the most populat ...

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Nomadic tribes passing through Kazakhstan would pick the plant and then distribute it, selling it al ...

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Because of this similarity, these new signals came to be known as cannabinoids.由于这种相似性，这些 ...

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In a minute we can take a look with a camera, so if I just set that up now as we're coming here.马上 ...

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Here we are.我们找到了。We are run.我们在跑。We're in the mountains.我们在山上。And it's not in grea ...

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In my job as a psychologist, I deal with addiction.作为一名心理学研究者，我经常要跟吸毒成瘾问题打交 ...

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Cannabis. It's merely a plant, a wild weed.大麻，它只是一种植物，一种野草。But it produces a range o ...

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For a plant that's been known and used medicinally for almost 3,000 years, it's surprising that new ...

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Despite this, so far, the only available product is a treatment for pain caused by multiple sclerosi ...

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How many plants have we got here?这里有多少棵大麻？There's about 5,000 plants here and every year we ...

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While the system in place here runs smoothly enough, it worries me that it's open to abuse. But more ...

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OK. Can you show me the task?好的，你能给我看一下实验吗？Yeah.当然可以。When volunteer lies in the s ...

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Elsewhere in Los Angeles, Tom is using medical marijuana for entirely different reasons.在洛杉矶，汤 ...

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Following a legal statute called the Compassionate Use Act, passed in 1996, those with a medical pro ...

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I've got a shed full of mops and buckets that he persuaded me to buy, when he was very fixated on cl ...

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Actually, that's quite shocking that you found a connection between cannabis and heroin.事实上，发现 ...

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