The study is from a U.S. government agency.

Here’s your daily dose of pot news from the newsletter WeedWeek.

U.S. teenagers find it harder to buy weed than they have for 24 years, according to an annual survey by the National Institute on Drug Abuse (NIDA). The same study found that teen drug use is declining nationally.

Humboldt County’s growing areas voted against REC, but the cities voted for it.

A long awaited task force report in Canada recommended 18 as the legal buying age. For more see hereand here. The country plans to legalize REC next year.

REC businesses in Portland, Oregon, are struggling to obtain licenses. And the head of the state’s lab accrediting agency is stepping down.

Florida lawmakers are thinking about how to regulate MED. For more see here. A proposal in Ohio would allow 40 MED dispensaries in the state.

Tennessee Republicans are considering a MED program.

Radio Free Asia reports that Chinese visitors to North Korea buy pot by the kilogram and sell it for a healthy mark-up in China.

Australian economists say legalizing REC would be good for the Queensland economy.

Stanford Medical School professor and tobacco advertising expert Dr. Robert K. Jackler editorializes that “If nationwide legalization happens, it is essential that the tobacco industry is banned from the marijuana market.”

L.A. Weekly profiles Seventh Point LLC, a cannabis private equity firm focused on Los Angeles. The firm expects L.A., the world’s largest cannabis market, to be the “Silicon Valley” of weed. The city’s cannabis community is uniting to legalize dispensaries.

Keith McCarty, CEO of delivery app Eaze, is stepping down, shortly after the company secured $13M in funding. He’ll be replaced by Jim Patterson, who, like McCarty was a senior executive at Yammer, a workplace social network which sold to Microsoft for more than $1 billion.