Cannabinoids
Going Blind: The Debate on Cannabis Use for Glaucoma
Since the late 1900’s, a popular reason for medical marijuana use, is to treat glaucoma. Today, however, debate exists as to whether this is beneficial. Here’s the lowdown on cannabis for glaucoma.
What is glaucoma?
According to the American Academy of Ophthalmology, “Glaucoma is a disease that damages your eye’s optic nerve. It usually happens when fluid builds up in the front part of your eye. That extra fluid increases the pressure in your eye, damaging the optic nerve.”
It goes on to explain, “Your eye constantly makes aqueous humor. As new aqueous flows into your eye, the same amount should drain out. The fluid drains out through an area called the drainage angle. This process keeps pressure in the eye (called intraocular pressure or IOP) stable. But if the drainage angle is not working properly, fluid builds up. Pressure inside the eye rises, damaging the optic nerve.”
There are two types of glaucoma: open-angle, and narrow-angle. The more common version, open-angle, causes no vision changes at first. However, over time, an inability to properly drain this fluid in the eye, causes damage to accrue over time. Those who have this glaucoma, do not experience any pain.
The second version, narrow angle (or closed-angle), occurs in people whose iris is closer than it should be to the drainage angle. In this case, the iris can actually act as a block to proper drainage. If the iris blocks it completely (or mostly), pressure can build very fast, called an acute attack; and this can cause blindness very quickly. This kind of glaucoma often comes with eye pain, and feelings of sickness and headache. This kind of glaucoma can also build slowly, and often sufferers don’t know they have a problem, until the damage is done.
Glaucoma is a leading cause of blindness for those 60 and above, and the second most prevalent cause of blindness worldwide; with about 60 million approximated cases. According to glaucoma.org, more than three million Americans have it, but only about half know. Roughly 9-12% of these result in blindness, accounting for about 120,000 cases. This is a subject where African Americans sure don’t win out; as they are 6-8 times more likely than Caucasians to get glaucoma, and 15 times more likely to have vision impairment because of it.
Glaucoma damage cannot be reversed, and there is no medicine to cure it. Anyone can get it, including babies, but its more prevalent in older populations. It’s also very much genetic, and having family members who have it, means a greater probability of getting it. Diabetes, extreme nearsightedness, and being African American are other risk factors.
Cannabis and glaucoma
Long before cannabis re-entered the medical world as a possible treatment for a myriad of issues, it was still very much suppressed in terms of popular culture and medicine. However, in the early 1970’s, research started coming out indicating that cannabis could greatly help glaucoma sufferers from losing more vision.
The main reason for this connection, is that cannabis lowers intraocular pressures. Remember in the explanation of glaucoma, that the reason for damage is from rising intraocular pressures due to liquid not draining correctly, and building in the eye? Well, using cannabis keeps that from happening, or at least, decreases the amount of pressure. Now, before going on, to be clear, no one is contradicting this information. As in, it’s generally medically understood, that cannabis has this ability.
In 1978, the National Eye Institute began its own studies into the topic. This research produced results that indicated marijuana derivatives are able to briefly lower intraocular pressure; whether the plant is smoked, taken orally, or given intravenously. The organization did not find a benefit to topically applying it to the eye.
According to the article Marijuana and Glaucoma, published in Glaucoma Today, marijuana can lower intraocular pressure by 60-65%, but that this lasts for about 3-4 hours only. It also explains a dose-response relationship, whereby the amount consumed, is relational to the amount of pressure-reduction. However, greater amounts did not elongate the time frame of effectiveness.
One of the main reasons this caught on early, is because glaucoma medication have unwanted side-effects; then and now. These include (depending on medication): stinging, bleeding, burning, and itching of the eyes; fatigue; upset stomach; tingling hands and feet; memory problems; depression; lowered sex drive; shortness of breath; eye, and skin, color changes; drowsiness; frequent urination; droopy eyelids; and *lowered blood pressure – we’ll get to the importance of this one soon.
Why the debate over cannabis for glaucoma?
For as much as there is a known connection between cannabis and lowering eye pressures, its not an open and shut case. Perhaps this simply represents another example of official health platforms pushing people toward the pharmaceutical option; and maybe there is some value in the opposition. You can decide for yourself.
There are a couple issues with the use of cannabis for glaucoma. The first one is that it only works very temporarily. This could mean using it 6-10 times a day to keep pressure down. That’s a lot of getting stoned, and for people not interested in getting stoned, this is very problematic. It also means that if a person cannot take the weed frequently or regularly enough, then their pressures will go up and down; and there will be no consistency.
Along with this, there’s another issue. Glaucoma causes damage to the optic nerve from fluid building up. But other things, like low blood pressure, can also damage the nerve. Unfortunately, cannabis is often associated with lowering blood pressure. So it is possible that cannabis use can lower blood pressure enough to actually weaken the optic nerve more. However, remember that list of side effects? Pharmaceutical medications can lower blood pressure too, and they’re still used. Which makes it silly to point out cannabis for this.
What’s the uncomfortable problem here? There are no long-term studies. In fact, when you look up information on cannabis for glaucoma, while NO ONE argues that cannabis brings down pressures; somehow in all this time, no long-term or cohort studies were done. In fact, one paper which references progress into this topic, reported that as of 2006, despite constant complaints of having no long-term study, none were done. Now, nearly 20 years after that, and over 50 years after the first findings of cannabis lowering intraocular pressures, this still doesn’t exist.
Instead, you’ll find article after article positing ideas as to why it might or might not be okay for long-term use, but nothing more substantial. And that means that all these official health platforms are using the idea of blood pressure or being high, to rule it out; even though there’s no confirming information as to whether this possible dip in blood pressure, ever causes further issue.
So, let’s break it down. If a person doesn’t mind being high 24-hours a day, then using marijuana for glaucoma isn’t an issue in terms of getting high, so long as no tolerance to pressure-reducing effects is noted (and this can happen). Now, it could be an issue in terms of blood pressure reduction, but right now, that’s the part of this that’s unverified.
We simply don’t know if a reduction in blood pressure from cannabis can damage the optic nerve. In fact, one study referenced here, indicates that its higher blood pressure patients that see the biggest drop. Some of the studies in that review found a negligible effect on blood pressure altogether. If a specific patient doesn’t have a problem here, then it’s a moot point anyway; and if the FDA sees fit to use drugs like beta blockers (which also lower blood pressure) for treatment of the condition; then it seems this might not be the issue its made to sound like in the press.
For all the commentary out there, not one study exists that gives any insight as to whether the change in blood pressure from cannabis, can make glaucoma worse. And once again, this is now over 50 years after the introduction of cannabis to treat the condition; and an argument that takes place while pharmaceutical medications are prescribed, that are known to drop blood pressure.
Conclusion
If you’ve got glaucoma, you’re probably doing whatever you have to, to not go blind. For now, cannabis does provide a way to reduce pressures; however, there are certain factors which still after all this time, have not been appropriately examined at all.
As a side note, there is a new investigation into using DMT to treat glaucoma by way of a device that can apply the medicine directly to the eye. Those with the disorder should keep an eye on this story. All pun intended.
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Related
Every morning, roughly 63% of Americans and 71% of Canadians savor a hot cup of coffee. It is a morning ritual shown in movies, memories and memes. But can it be a vehicle to help improve your mood and general state of mine. CBD oil, which has gained popularity as a stress reliever over the last few years. Studies also show CBD reduces aggressive behavior and effectively helps you chill out. If it is all true, should stir CBD in into your morning coffee?
Studies have shown CBD contains anti-anxiety, analgesic, and anti-inflammatory properties. Add the caffeine boost you receive from coffee and it seems like the perfect way to start your day. It’s widely reported by those who use both caffeine and CBD oil the combination can remove the jittery edge.
However, combining CBD with your coffee fundamentally changes how it affects your body. That’s why experts recommend not doing so if you’re using the extract for medicinal purposes.
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“Those who want to use CBD for serious medical conditions, such as seizure disorders or inflammation from autoimmune disorders, should not take CBD in this manner, as accurate CBD dosing is extremely important for efficacy in these types of illnesses,” Bonni Goldstein, a California-based physician specializing in cannabinoid therapy.
A study backed up Goldstein. According to researchers analyzing cannabis tea, temperature changes CBD content in both hot and cold liquids. So, if you require precise dosing of medicine, it’s best not to dump your CBD oil into a hot cup of joe.
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Those approaching the issue from a wellness perspective don’t have such concerns. Anecdotal evidence of the therapeutic effects combining CBD and coffee to boost your day-to-day proceedings is mixed. Some say that CBD-infused coffee diminishes the buzzing rush caffeine delivers while lowering anxiety symptoms. But others find the pairing disorienting. Since CBD is also used to achieve a good night’s sleep, the cannabinoid’s drowsy properties fight with coffee’s caffeine to leave you groggy and unsatisfied.
Most importantly, you should understand that CBD affects each individual differently. What works for you might not work for someone else. But we know for certain that dumping CBD oil into your coffee dramatically decreases its bioavailability, or the extent and rate at which the drug enters your body’s circulation to produce the desired effects. CBD oil taken sublingually, or underneath your tongue, maintains a bioavailability between 20-30%, but received orally, like in a drink, drops the bioavailability down to 6%. This is another reason medical experts don’t recommend patients combining the two.
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If you’re committed to starting your day with CBD-infused coffee, but don’t want to sacrifice efficacy, we have a recommendation. A 2016 study reported that combining cannabinoids into a fatty acid allows CBD to bypass your metabolism — which is responsible for diminishing the plant’s impact — and increases bioavailability. This explains why many report the most therapeutic effects are found by adding organic butter or coconut oil to make a CBD coffee concoction. It’s a little more work, but your body will thank you for it later.
Despite its known impact on slowing down the digestive system, recent research suggests that cannabis remains an effective remedy for constipation. Derived from the cannabis sativa plant, cannabis is categorized as a cannabinoid capable of activating receptors in the body, including those in the gut.
Contrary to the expectation that cannabis may contribute to constipation, a 2019 study revealed a 30% decrease in the likelihood of constipation among recent cannabis users compared to non-users. The precise reasons for this paradoxical outcome are not fully elucidated, and researchers propose several theories. Lesser-known active ingredients in cannabis may enhance colon movement, offsetting the anti-motility effects of well-known cannabinoids like THC. Moreover, undiscovered cannabinoids and active components in cannabis could potentially have pro-motility effects on non-cannabinoid receptors.
While cannabis is not the primary solution for constipation, it exhibits potential benefits for digestive health. It provides relief from pain and anti-inflammatory responses in the digestive tract, proving beneficial for certain gastrointestinal conditions such as inflammatory bowel disease. However, prolonged use of cannabis can negatively impact digestive health, leading to conditions like cannabinoid hyperemesis syndrome (CHS), characterized by severe vomiting, nausea, and abdominal pain following cannabis use.
Cannabis influences the gut by activating cannabinoid receptors, affecting various physiological functions, including modulating GI motility, altering the gut microbiome, regulating nutrient absorption, stimulating hunger, and reducing feelings of fullness. Despite its potential advantages, the complex relationship between cannabis and constipation necessitates further research.
For individuals seeking relief from constipation, alternative methods are available, including increasing dietary fiber and water intake, engaging in regular physical activity, establishing consistent bowel movement routines, using over-the-counter products, incorporating probiotics, and considering holistic approaches like massage. If constipation persists, medical interventions such as prescription medications, adjustments to current medications, surgery, or biofeedback therapy may be considered for severe cases.
The post Cannabis and Constipation: What are the Benefits? appeared first on United Patients Group.
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