Highly Potent Weed: What We Know About The Health Effects : Shots - Health News : NPR

Most of the marijuana for sale in the U.S. has a far higher THC content than it did a few decades ago. Some scientists and doctors are concerned that the trend is making pot less safe.

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Highly Potent Weed: What We Know About The Health Effects : Shots

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Highly Potent Weed: What We Know About The Health Effects Shots

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