Levin and his team of engineers have produced prototypes of a high-tech, handheld portable vaporizer, he explains. Such devices heat cannabis (or tobacco or herbs) to the point where active chemicals are released without combustion of the plant material. The vapors are less harsh to the throat than smoke and contain few, if any, toxins.
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| Dirty medicine | ||
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| Mr. Cook came to Washington and escaped unscathed |
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