Not Your Parent’s Pot: Today’s Marijuana Stronger

Press-Enterprise report:

Today’s pot is typically four times stronger than the marijuana of just a couple of decades ago.

That’s timely to note in the current push to legalize the drug, because much of the research showing marijuana has only modest health effects on adults is based on weaker strains that have been largely bred out of the marketplace.

That means that, as Californians prepare to vote this November on a recreational marijuana initiative, they’ll do so without conclusive answers from the medical community on how today’s pot may affect mental health and the debate over the gateway drug theory.

“We’re all riding this green rush right now,” said Staci Gruber, a psychiatry professor at Harvard Medical School who studies the effects of marijuana use on the brain. “But there’s still so much that we don’t know.”

Leading up to the fall vote, the Register is publishing an occasional series that surveys current research and interviews experts on common questions about marijuana use: the potential health risks, issues of government regulation and the experience of states where recreational use of cannabis is legal.

Q. Is marijuana riskier now than it used to be?

A. Updated research is needed, experts say, with pot potencies and products constantly evolving.

Through the 1990s, marijuana typically had about 4 percent THC, the main compound that makes consumers high, according to Madeline Meier, a psychologist at Arizona State University. Thanks to cultivators who’ve crossbred strains to boost potency, today’s cannabis commonly has 15 percent, 20 percent, even 30 percent THC. And concentrates – such as waxes, tinctures and oils – can reach 60 percent or 80 percent.

Such potencies can lead to negative experiences for baby boomers who haven’t lit up in decades or for inexperienced consumers who don’t know how to properly dose their intake, Gruber said. There’s also concern among experts that increasingly potent products heighten health risks.

“That definitely increases the potential for addiction,” said Kevin Alexander, clinical manager at Hoag Hospital’s After-School Program Interventions and Resiliency Education program in Newport Beach.

Hope by the Sea treatment center in San Juan Capistrano has seen a slight uptick in patients seeking treatment for marijuana abuse, according to admissions coordinator Corey Richman. Anecdotally, he said, those patients seem to exhibit more serious symptoms of dependency, such as hoarding supplies rather than embracing the sharing, “puff, puff, pass” culture of marijuana’s low-THC days.

Requiring products to be tested and clearly labeled for potency can help consumers make more informed decisions, Gruber said.

California is developing regulations on testing, labeling and packaging for medical marijuana that would carry forward if recreational pot were legalized.

Colorado considered an initiative for the November ballot that would have gone a step further, capping THC at 16 percent and requiring edibles to be sold in low-dose, single-serving packages. But backers recently dropped the effort amid fierce pushback from those who said such limits violated rights now incorporated in the state constitution and would have wiped out 80 percent of the legal pot market.

Q. Is pot a gateway drug?

A. The theory that cannabis use leads to harder drugs – advanced by some politicians and public-safety officials – remains divisive in the medical community, even as it has been discounted by federal medical researchers.

It’s a fact that surveys show the majority of people who try substances such as cocaine or heroin say they first used pot.

The same surveys find most people who try marijuana first used cigarettes and alcohol. And national drug-use data indicate the majority of people who try marijuana never move on to other more powerful, addictive drugs.

Nearly 8.5 percent of the population said they’d used marijuana in the past month, according to the latest National Survey on Drug Use and Health. Just 2.5 percent said they’d used the next most common family of abused drugs: prescription medications. And fewer than 1 percent had tried drugs such as cocaine, LSD or heroin.

Marijuana use is also increasing, the national survey shows. With the exception of a surge of heroin use in recent years, consumption of other drugs is flat or declining.

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Richard Lowe

Richard Lowe is a 14-year veteran of the financial sector with licenses as a commodity broker (Series 3) and investment advisor representative (IAR Series 65). Along with a focus on raising capital for the firms he was employed with, he also wrote and edited much of the content published by them. He holds a BA in Journalism from the University of Massachusetts. He has been a longtime advocate for marijuana legalization due to the social injustices associated with marijuana prohibition and the strong potential for the medicinal benefits of cannabis.

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