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How CBD Can Help Patients with PTSD – A Doctor’s Perspective

Daniela is an ER nurse who worked on the frontlines in New York City during the peak of the COVID-19 pandemic.  Nearly two months later, she has been unable to shake the memories of the overwhelming deaths and demands of the emergency room’s emotional and physical tolls. 

Daniela has the most trouble at bedtime.  When she closes her eyes to sleep, she is reliving the trauma of treating and losing patients to COVID-19 over and over again.  When she’s lucky and her sleep medication works, she can drift off, but a few hours later she wakes up choking — like she was in a war zone.  Daniela lies in bed in a cold sweat, out of breath, clenching her chest.  During the day, she has trouble concentrating.  She still works in the ER and feels anxious, stressed, and lives in fear of spreading the disease to family members.

Daniela was diagnosed with PTSD and began seeing a therapist every week.  Her psychiatrist prescribed an antidepressant, a benzodiazepine, and a sleep aid.  After six months of trial and error, these medications in combination helped her with her daily jitteriness and debilitating panic attacks.  However, she still feels fear, exhaustion, and isolation.

Daniela’s therapist suggested she try CBD to help ease anxiety and forget the painful memories. But as an ER nurse, she treats patients with drug overdose and substance abuse daily so when she walked into my clinic, her first words were, “I don’t want to smoke it, I don’t want to get high, and I don’t want to sit on the couch with the munchies.”

Relief Without the High

Formulated with a powerful blend of CBDA – the nondecarboxylated form of CBD that has shown to have an absorption rate of 11x more than CBD – and CBD, this full-spectrum 1500 mg CBD oil is also layered with additional therapeutic constituents known as terpenes.  This potent formula is designed to help promote mood balance, ease anxiety, and achieve better sleep.

Cannabidiol (CBD) and tetrahydrocannabinol (THC) are the two most abundant natural compounds found in the Cannabis genus plants.  Both cannabis and hemp produce CBD and THC.  However, cannabis has a higher concentration of THC while hemp has a higher concentration of CBD (CBD can be extracted from hemp or cannabis).  Legal hemp must contain 0.3 percent THC or less.  Both CBD and THC are sold as gels, gummies, oils, supplements, extracts, vape cartridges, flower, and more.  THC is the primary psychoactive compound in cannabis that produces a relaxing, high sensation.  CBD doesn’t cause a high like THC.  Think of CBD as a complementary compound to THC but without the mind-altering aspects.  CBD comes in different formats and I suggested a broad spectrum product which contains terpenes and cannabinoids, but zero THC so she could relieve her stress without the high and won’t have to worry about failing a drug test at the hospital.  I also worked closely with Daniela’s psychiatrist and psychotherapist to monitor her progress.  She kept a detailed journal, as well.

Although Daniela didn’t want THC, two recent studies showed she might have benefited from it.  According to two recent studies from NYU and Vanderbilt University, PTSD patients have been shown to have lower levels of the “bliss molecule,” anandamide, compared to people without PTSD. 

If you are familiar with the endocannabinoid system, you know that our brains make their internal cannabis molecules (endogenous cannabinoids).  Anandamide (named after the Sanskrit word for bliss, ananda) helps temper stress and balance the nervous system, so we do not spiral out of control on high sympathetic overdrive.  The endocannabinoid system, or ECS, is a system that modulates and interfaces with all of the other systems throughout the body.  It regulates physical functions, such as movement, pain sensation, and immune responses, and cognitive or mental capacities, like perception, mood, and memory.  Anandamide clear painful memories and reduce our stress levels. 

Take, for example, forgetting.  Forgetting is a crucial aspect of treating anxiety, stress, and PTSD.  Trauma survivors have been found to have problems with neurotransmitter signaling of serotonin and glutamate, which also correlate with the fight-or-flight response.  Excessive glutamate signaling will lock in painful fear-related memories.  Cannabinoids can help release these painful memories by facilitating memory extinction. 

CBD also seems to help survivors switch off those traumatic memories.  Here’s how it happens chemically.  Cannabinoids mediate the neurotransmitter GABA, which signals to our body that we are safe and directs the body to relax.  GABA also helps to reduce anxiety, foster sleep, and relax the muscles.  CBD and THC tell the brain to increase the flow GABA, which creates the calming effect.  My patients report it taking the edge off, turning down the volume on anxiety and stress.  Once their racing thoughts and the “fight or flight” response tail off, patients say they feel better or “more comfortable in their skin.”  They can often quell racing thoughts that paralyze them at work or cause them to lie awake at night.

Women More Prone to PTSD

Not only do women and men respond to cannabis differently, but they also react differently to PTSD.  Statistics show that women suffer twice as much PTSD as men, but because most trauma research focuses on male combat veterans, this fact is overlooked.  According to the National Center for PTSD, around 10% of women have PTSD some time in their lives compared to 4% of men.

According to the National Center for PTSD, around 10% of women have PTSD some time in their lives compared to 4% of men.

Recent neuroscience has also shown that certain lucky people have a genetic variation in the brain that makes them inherently less anxious and more able to forget unpleasant experiences.  These “more carefree” folks also have brains that produce higher levels of anandamide, the body’s own THC.  Normal endocannabinoid system functioning helps people’s nervous systems reset and re-calibrate more quickly after stress exposure.  Researchers and clinicians agree that vulnerability to PTSD and stress resilience results from an interaction between ECS, genes, and the environment.

More backing came from researchers from University College London who showed that a single CBD dose helped increase blood flow to the hippocampus¹.  When vessels that supply blood to the brain are clogged or damaged, the result is a decline in cognitive function, memory loss, and difficulty making executive decisions.  Mobility and balance get impaired, too.  Increasing blood flow to areas of the brain helps maintain cognitive faculties as we age and perhaps increase memory in patients with Alzheimer’s (the mechanism of action for increased cerebral blood flow on the brain is unclear, and while this study is promising, more research is needed).

According to the UCL researchers, the hippocampus is like a “flash drive,”² meaning it aids in storing and retrieving memories.  People who have experienced damage to their hippocampus may have difficulties storing and recalling information.  This brain structure (along with the amygdala and prefrontal cortex) also plays a role in the ability to overcome fear responses.  Traumatic stress can be associated with lasting changes in these brain areas. 

It’s important to mention that many people with PTSD, anxiety, and Alzheimer’s might be on prescription medication or antidepressants.  If you supplement with cannabinoids be sure to discuss with your doctor as they can interact with these meds and amplify their effects.  Be sure not to over-consuming one or the other.  If the doctor increases your Zoloft, that doesn’t mean you should up your cannabis intake.

As for Daniela… after the first month of CBD supplementation her therapist reported that she seemed less anxious, more clear-headed, and their sessions were more productive.  She also noticed an improvement in the quality of her sleep and mood.  She’s on the road to recovery.

Careful Considerations – Two Different CBD Profiles

Plant People capsules – a THC-free CBD formula plus 525mg of adaptogenic herbs to help relieve stress.

Papa & Barkley drops – a high potency, cannabinoid-rich full-spectrum CBD formula to help ground the mind and modulate stress response.

¹ https://medicalxpress.com/news/2020-08-cannabidiol-blood-brain-hippocampus.html
² https://www.ncbi.nlm.nih.gov/books/NBK482171/

Artemis Medical Digest is a journal featuring clinical perspectives from one of the world’s leading cannabis physicians – Dr. Junella Chin extensive and groundbreaking work has been profiled in Forbes, CNN, The New York Times, Cornell University, St. Jude’s Medical Center and more. She is a board member of the American Academy of Cannabinoid Medicine and Artemis’ Chief Medical Advisor.