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This is Scientific American 60-Second Science. I'm Sophie Bushwick. Got a minute?

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Medical marijuana helps treat disorders such as chronic pain, nausea and seizures.

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Unfortunately, it can also...um...oh yeah, it can also impair memory and learning.

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But a new study suggests we can prevent this side effect with easily available medication.

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The problem stems from the hippocampus, the brain region responsible for memory formation.

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So scientists exposed mice to THC, the psychoactive chemical in cannabis, and then looked at their brains.

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They noticed that the hippocampi of the treated mice produced higher levels of an enzyme called COX-2.

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When the researchers administered drugs that reduced levels of COX-2, the memory problems disappeared as well.

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As did some neuron damage.

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But protecting the brain against memory loss did not seem to stop the positive effects of marijuana.

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The scientists used cannabis to treat a mouse model of Alzheimer's disease.

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Whether or not they inhibited COX-2, pot appeared to be beneficial.

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The work is in the journal Cell.

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Drugs that block COX-2 include anti-inflammatories, such as over-the-counter painkiller ibuprofen.

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But before you start self-medicating, you might want to wait for confirmation in people.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Sophie Bushwic.

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