On ‘weed day,’ our medical analyst urges caution on recreational marijuana use | CNN



CNN
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As some people mark 4/20 as “weed day,” a day of celebration of marijuana use, I don’t want to bum you out — but I might.

Over the past decade, there has been a trend toward legalizing marijuana in the United States. Currently, at least 37 states, plus Washington, DC, have a comprehensive medical cannabis program. A growing number of states, currently at 21, have legalized recreational marijuana use.

I wanted to learn about the research around marijuana use, including the effects it has on the user and the medicinal uses for cannabis. I turned to CNN Medical Analyst Dr. Leana Wen, who has many concerns about recreational cannabis use, especially for certain populations such as young people and pregnant people.

Wen, who urged users and would-be users to be cautious, is an emergency physician and professor of health policy and management at the George Washington University Milken Institute School of Public Health. She previously served as Baltimore’s health commissioner and as chair of Behavioral Health System Baltimore, where she oversaw policy and services around substances that can cause addiction, including marijuana.

CNN: What are the physiological effects of marijuana?

Dr. Leana Wen: Marijuana is a plant that has many active ingredients. One of the principal ones is a psychoactive compound called tetrahydrocannabinol. Often called THC, it’s similar to compounds that are naturally occurring in the body called cannabinoids and can mimic their function by attaching to cannabinoid receptors in the brain. In so doing, THC can disrupt normal mental and physical functions, including memory, concentration, movement and coordination.

Using marijuana can cause impaired thinking and interfere with someone’s ability to learn, according to the National Institute on Drug Abuse. Smoking cannabis can also impair the function of the parts of the brain that regulate balance, posture and reaction time. And THC stimulates the neurons involved in the reward system that release dopamine, or the “feel-good” brain chemical, which contributes to its addictive potential.

CNN: Marijuana is thought to have some positive and medicinal benefits. How can it be used for therapeutic purposes?

Wen: Short-term, many users report pleasant feelings, including happiness and relaxation. As a result, some people use marijuana to self-treat anxiety or depression. This is not a recommended use. What often ends up happening is that the person develops tolerance, requiring more and more of the drug to get the same effect.

There are some approved medicinal uses of marijuana for very specific indications. The US Food and Drug Administration has approved THC-based medications that are prescribed in pill form for treatment of nausea in patients with cancer undergoing chemotherapy and to stimulate appetite in patients with AIDS. There are several marijuana-based medications that are undergoing clinical trials for conditions like neuropathic pain, overactive bladder and muscle stiffness.

I think it’s really important for these and many more studies to continue. Researchers should continue to look not just at marijuana itself but its specific chemical components, since botanicals in their natural form can contain hundreds of active chemicals and obtaining the correct dosages may be challenging. In the meantime, users should use caution in evaluating supposed medicinal claims and clearly understand the risks of cannabis use.

CNN: What are the risks of marijuana use, and who may be particularly vulnerable to them?

Wen: The main concern about marijuana use is its impact on the developing brain. As the US Centers for Disease Control and Prevention states on its website, “Marijuana affects brain development. Developing brains, such as those in babies, children, and teenagers, are particularly susceptible to the harmful effects of marijuana and tetrahydrocannabinol.”

Numerous studies have linked marijuana use in women during pregnancy to a variety of cognitive and behavioral problems in their children. The CDC even warns against secondhand marijuana smoke exposure, and it also encourages breastfeeding individuals to avoid marijuana use.

Marijuana affects young people throughout adolescence and young adulthood. Much research has shown how marijuana use in childhood impacts memory, attention, learning and motivation. Regular cannabis use in adolescence is associated with higher likelihood of not completing high school and even lower IQ later in life. The negative impacts persist beyond the teen years. Some studies of university students have found that the regularity of marijuana use is correlated with lower grade point average in college.

I want to emphasize here that there is still a lot that we don’t know about the effects of marijuana, in particular long-term consequences. A recent study found that in adults, daily use of regular marijuana can increase the risk of coronary artery disease by as much as one-third. That’s the point, though; all the unknowns are exactly why I and many other clinicians and scientists urge caution.

To be clear, there are many reasons to support policy changes of decriminalizing marijuana, including to rectify the decades-long injustices of disproportionately incarcerating minority individuals for marijuana possession. However, supporting decriminalization should not be equated with believing that marijuana is totally safe. It’s not. Marijuana has the potential to cause real and lasting harm, especially to young people.

CNN: Could someone become addicted to marijuana?

Wen: Yes. There is a condition known as marijuana use disorder. Signs of this disorder include trying but failing to quit using marijuana;, continuing to use it even though it is causing problems at home, school or work;, and using marijuana in high-risk situations, including while driving. Some individuals, especially those who use large amounts, experience withdrawal symptoms when they try to stop.

As many as 3 in 10 people who use marijuana have marijuana use disorder, according to the CDC. The risk of developing marijuana use disorder is greater among those who use it more frequently and for those who started earlier in life.

CNN: Some people say that marijuana is no big deal, especially in comparison with other substances like alcohol and opioids. Would you agree that cannabis use is at least better than using those substances?

Wen: I wouldn’t frame it that way. It is true that marijuana doesn’t cause liver damage the way that high amounts of alcohol does, and it doesn’t have the lethality of opioids. If an adult is using marijuana once in a while, and not while driving, it’s probably not going to have lasting consequences.

However, there are harms associated with more frequent use of marijuana and in particular its use in children. In my opinion, the legalization movement has shifted the conversation so much towards acceptance of cannabis that we are neglecting the fact that it is a drug and, I believe, should be regulated just like alcohol, tobacco and opioids.

There should also be much more messaging and education so that people, including young people and their parents or guardians, can be aware of the harms of marijuana — just as they are aware of the harms of other drugs.

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Biden administration declares fentanyl laced with xylazine ‘an emerging threat’ in the US | CNN



CNN
 — 

The White House has declared that the powerful synthetic opioid fentanyl combined with xylazine – an animal tranquilizer that’s increasingly being used in illicit drugs – is an “emerging threat” facing the United States due to its role in the ongoing opioid crisis.

Administration officials call the threat FAAX, for fentanyl-adulterated or -associated xylazine.

The move, announced Wednesday, marks the first time in history that any administration has declared a substance to be an emerging threat to the country, said Dr. Rahul Gupta, director of the Office of National Drug Control Policy. The SUPPORT Act of 2018 established that the office has authority to declare such “emerging threats,” and no administration has used it until now. Last year, Congress declared methamphetamine an emerging drug threat but none have been declared by an administration previously. Under other agencies or in separate circumstances, concerns such as bioterrorism, infectious diseases or climate change may be identified as “emerging threats.”

“This drug, which is an animal sedative, is being mixed with fentanyl and is being found in almost all 50 states now,” Gupta said Tuesday. “It’s become an important part for us to make sure that we’re declaring it an emerging threat.”

Now that the administration has declared fentanyl combined with xylazine an emerging threat, it has 90 days to coordinate a national response. “We are working quickly to develop and implement a whole of government nationwide plan, with real deliverable action, that will save lives and will be published within 90 days of this designation,” Gupta said.

Xylazine, also known as tranq or tranq dope, has been linked to an increasing number of overdose deaths in the United States due to its rising illicit use. Between 2020 and 2021, overdose deaths involving xylazine increased more than 1,000% in the South, 750% in the West and about 500% in the Midwest, according to an intelligence report released last year by the US Drug Enforcement Administration.

And in some cases, people might not even know that xylazine was in the drug they used.

Just last month, authorities at the DEA issued a public safety alert about the “widespread threat” of fentanyl mixed with xylazine, reporting that in 2022 approximately 23% of fentanyl powder and 7% of fentanyl pills seized by the DEA contained xylazine.

Fentanyl, which has been driving the opioid crisis, is a fast-acting opioid, and people who use it illicitly say that adding xylazine can extend the duration of the high the drug provides.

Xylazine is not an opioid. It is approved by the US Food and Drug Administration for use as a tranquilizer in veterinary medicine, typically in horses, but it is not approved for use in humans. And xylazine can do major damage to the human body, including leaving drug users with severe skin ulcers, soft-tissue wounds and necrosis – sometimes described as rotting skin – that can lead to amputation.

“Xylazine is one of the contaminants in fentanyl, but there could be others,” Gupta said. “So, I think with the declaration of an emerging threat, we’re sending a clear message to producers and traffickers of illicit xylazine and illicit fentanyl that we’re going to respond quicker, we’re going to match the challenge of evolution of these drugs supply, and that we’re going to protect lives first and foremost.”

Now that xylazine has been declared an emerging threat, some of President Biden’s $46 billion drug budget request to Congress can be used to respond.

This year, the Biden administration announced that the President has called on Congress to invest $46.1 billion for agencies overseen by the Office of National Drug Control Policy to tackle the nation’s illicit drug crisis.

If the budget request is not approved, there could be the option to reallocate money within the Office of National Drug Control Policy, but “we don’t want to be in a position where moneys that are being utilized for some other important aspect of saving lives has to be moved away for this purpose,” Gupta said Tuesday. “That is the reason we are asking Congress to act.”

Such funds could be used to test drugs on the street for xylazine, collect data on FAAX, invest in care for people exposed to FAAX and develop potential treatments for a xylazine-related overdose.

The medication naloxone, also known as Narcan, is an antidote for an opioid overdose, but people who have overdosed on a combination of opioids and xylazine may not immediately wake up after taking naloxone, as it may not reverse the effects of xylazine in the same way it does opioids.

“We need to recognize, first of all, that there is a shift that is occurring from organic compounds and substances like heroin and cocaine to more synthetics,” Gupta said of the state of the nation’s illicit drug crisis.

“Both the types of drugs have changed – from predominantly organic to predominantly synthetics – but the way drugs are bought and sold have also changed,” he said. “Now, all you need is a phone in the palm of your hand and a social media app to order and buy some of the most dangerous substances on planet Earth.”

Xylazine is just one of the many adulterants – or substances that are typically added to others – found in the nation’s illicit drug supply.

“All of a sudden, you can synthesize hundreds of compounds and kind of mix them together and see what does the best in the market,” Joseph Friedman, a researcher at the University of California, Los Angeles, told CNN in March. “People are synthesizing new benzodiazepines, new stimulants, new cannabinoids constantly and adding them into the drug supply. So people have no idea what they’re buying and what they’re consuming.”

Some of these adulterants may be as simple as sugar or artificial sweeteners added for taste or additives or fillers that bulk up the drug. Sometimes, they may be contaminants left over from the manufacturing process.

Addicted? How to get help

  • If you’re addicted to prescription drugs, help is available. You can call the Substance Abuse Mental Health Services Administration 24/7 hotline at 1-800-662-HELP(4357) or visit their website.
  • But all of these things can carry real-life health harms, says Naburan Dasgupta, an epidemiologist and senior scientist at the Gillings School of Global Public Health at the University of North Carolina, Chapel Hill.

    Like an opioid, xylazine can depress the respiratory system, so the risk of overdose multiplies when it’s combined with heroin or fentanyl.

    Also, “in the veterinary literature, we know that it causes a really bad severe form of anemia. And so when people are injecting heroin that’s contaminated with xylazine, they can end up with a near-fatal form of blood iron deficiency,” Dasgupta said in March. “We had one person here who ended up going to the hospital needing multiple blood transfusions. And it was all because of the xylazine.”

    US lawmakers are moving to classify xylazine as a controlled substance.

    In March, bipartisan legislation – the Combating Illicit Xylazine Act – was introduced in the House and Senate. It describes illicit xylazine as an “urgent threat to public health and safety” and calls for it to be a Schedule III drug under the Controlled Substances Act, a category on the five-level system for substances with moderate to low potential for physical or psychological dependence. Xylazine would be one level below opioids like fentanyl.

    “Our bipartisan bill would take important steps to combat the abuse of xylazine by giving law enforcement more authority to crack down on the illicit distribution of this drug, including by putting stiffer penalties on criminals who are spreading this drug to our communities,” Sen. Maggie Hassan, D-N.H., said in a statement in March.

    The bill would also require manufacturers to send reports on production and distribution to the DEA so the agency can ensure that the product is not being diverted to the black market.

    “This bill recognizes the dangers posed by the increasing abuse of animal tranquilizers by drug traffickers, and provides new tools to combat this deadly trend,” Sen. Chuck Grassley, R-Iowa, said in the statement.

    “It also ensures that folks like veterinarians, ranchers and cattlemen can continue to access these drugs for bona fide animal treatment.”

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