How safe is super-concentrated marijuana?

Name: How safe is super-concentrated marijuana?
Uploaded: 2016-12-16T00:28:56Z
Duration: P494S
Description: Now legal in eight states, there are unanswered questions about the impact of recreational marijuana on public health. To maximize potency, pot can be purified for maximum THC, its psychoactive ingredient. But a lack of research and restrictions on these very high concentrations is raising concerns. Special correspondent John Ferrugia of Rocky Mountain PBS reports.

Clip: 12/15/2016 | 8m 14s

Now legal in eight states, there are unanswered questions about the impact of recreational marijuana on public health. To maximize potency, pot can be purified for maximum THC, its psychoactive ingredient. But a lack of research and restrictions on these very high concentrations is raising concerns. Special correspondent John Ferrugia of Rocky Mountain PBS reports.

Aired: 12/15/16

Rating: NR

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Major corporate funding for the PBS NewsHour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by Consumer Cellular and American Cruise Lines. For a complete list of funders for the PBS NewsHour and PBS NewsHour weekend, click here.

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How safe is super-concentrated marijuana?

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