Cannabis Oil vs. CBD Oil: Health Benefits and Legal Considerations
By Stephanie Garr
The topic of cannabis (marijuana) has become far less taboo in recent years, but there are still many misconceptions—and fears—about its use as a medicinal plant.
Cannabis is still an illegal product in most countries and can be difficult to obtain. More importantly, it is challenging to study.
Still, an increasing amount of evidence has found it could offer significant benefits for patients with chronic pain and even cancer.
This article looks at what cannabis oil is, how it differs from CBD oil, and what the science is saying about its potential.
What is Cannabis Oil?
Cannabis oil is an extract from cannabis (marijuana) plants that contains several cannabinoid compounds that bind to receptors in the brain and body.
Cannabis is one of the world's oldest cultivated plants, with its use dating back some 8,000 years ago (1).
As of now, more than a 100 of its active compounds have been detected, but there are two that have been studied the most:
- Cannabidiol (CBD): This is the active ingredient in CBD oil that has been shown to display anti-inflammatory and anti-tumor effects.
- Delta-9 Tetrahydrocannabinol (THC): This is the substance in marijuana that is most known for getting you "high."
While the term "cannabis oil" may be used to describe any cannabis-based oil (like CBD oil or hemp seed oil), it typically refers to the specific extract that contains all components of marijuana, including THC.
Summary: Cannabis oil is an extract from cannabis (marijuana) plants. It contains all active ingredients in the plant, including CBD and THC.
Cannabis Oil vs CBD Oil ... What's The Difference?
Unlike cannabis oil, which is typically made from marijuana with a high THC percentage (typically at least 50%), CBD oil does not contain this mind-altering compound.
In other words, CBD oil does not get you "high," but could offer some helpful benefits.
Many natural health proponents have been touting CBD oil and its potential to relieve chronic pain, reduce anxiety and depression, and alleviate cancer symptoms, among several other benefits.
Because it doesn't contain THC, CBD oil is legal in all 50 states of the U.S., Canada and all of Europe (except for Slovakia).
Summary: Unlike cannabis oil, which is typically made from marijuana with a high THC percentage, CBD oil does not contain this mind-altering compound.
Is Cannabis Oil Illegal?
Because it contains THC, cannabis oil can only be purchased in an area where marijuana is legal or can be prescribed.
In the U.S., marijuana is legal for both recreational and medicinal use in nine states: Alaska, California, Colorado, Maine, Massachusetts, Nevada, Oregon, Vermont and Washington, along with Washington, DC.
Thirty states have legalized medical marijuana for medicinal use. These include the nine mentioned above, along with:
Arizona, Arkansas, Connecticut, Delaware, Florida, Hawaii, Illinois, Maryland, Minnesota, Michigan, Montana, New Jersey, New Mexico, New Hampshire, New York, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island and West Virginia.
Summary: Since it contains THC, cannabis oil can only be purchased in areas where marijuana is legal or can be prescribed. This includes 30 U.S. states.
Benefits of Cannabis Oil
Because of its long-held status as an illegal Schedule I drug, research on cannabis has been limited.
Fortunately, a growing number of studies on cannabis have focused on its potential health benefits, mostly regarding appetite, nausea and pain.
Cannabis oil would likely offer similar benefits as CBD oil. However, it's possible that its addition of THC could provide further benefits.
THC is a pain reliever, anti-inflammatory and anti-emetic (prevents vomiting).
Using the whole marijuana plant versus part of it (like with CBD oil) could also provide extra synergetic effects. This however, is difficult to study.
There are currently a few licensed cannabis-based drugs on the market including:
- Dronabinol (Marinol) / Nabilone (Cesamet): Both are synthetic forms of THC used to counteract nausea and vomiting associated with chemotherapy, and to stimulate appetite in AIDS patients.
- Nabiximols (Sativex): Contains an equal amount of THC and CBD and used to relieve symptoms of multiple sclerosis (MS) and pain in cancer patients.
- Epidiolex: A concentrated CBD oil used as an anti-seizure medication for children with epilepsy (2).
Cannabis Oil for Cancer
Many cannabinoids, including THC and CBD, have shown some anti-cancer effects.
Most significantly, cannabinoids may have the ability (at least in test tube studies) to inhibit the proliferation of cancer cells and promote the death of cancer cells by apoptosis (3).
That said, while THC has shown promise in cancer studies, it's also shown the potential to suppress the immune system and enhance tumor growth (4).
Clearly, much more research needs to be done to determine how cannabinoids, at specific concentrations, may work best for cancer treatment.
Cannabis Oil for Pain Relief
Cannabis oil is a potent anti-inflammatory and can provide significant pain relief, likely more so than just CBD oil.
In fact, THC was shown to have 20 times the anti-inflammatory potency of aspirin and twice that of hydrocortisone (5).
Summary: Research on cannabis has been limited, but is quickly growing. Cannabis oil would likely offer similar benefits as CBD oil, but may offer even greater potential with the addition of THC, which is a proven pain reliever and anti-inflammatory.
Side Effects of Cannabis Oil
It can be difficult to obtain certified cannabis oils that provide specific concentrations and guarantee purity.
Some cannabis oils may even contain up to 75% THC (8).
Commercially produced cannabis oils for medical purposes are most dependable since they will have controlled concentrations of CBD and THC.
The addition of THC in cannabis oil will cause some side effects, including:
- The feeling of being "high"
- Tiredness and fatigue
- Reduced memory and learning ability
- Increased heart rate
- Increased appetite.
It's also noteworthy to mention that CBD actually helps control the psychoactive effects of THC, so a good balance of both may be important.
Summary: It can be difficult to know the concentrations and purity of cannabis oil products, so you will likely not know how much THC and CBD they contain. The presence of THC will cause you to feel "high," and may also lead to fatigue, reduced memory and increased appetite.
How to Make Cannabis Oil
Although cannabis oil has only started to find legal status in certain areas, plenty of people have been handcrafting their own for some time.
If you're able to obtain cannabis legally, you can easily make your own version of cannabis oil, which allows you to control the amount and type of cannabis used.
Canadian cannabis expert Rick Simpson is often cited for his groundbreaking work creating a cannabis oil, now referred to as Rick Simpson Oil or RSO.
He made his own cannabis oil to help treat his skin cancer, and has shared this recipe here.
Cannabis Coconut Oil
Another way to consume cannabis oil is with cannabis coconut oil.
The saturated fats in coconut oil help preserve the cannabinoids, making it a more potent and effective cannabis product.
Cannabis-infused coconut oil can be used topically, consumed on its own or used as a cooking oil just like normal coconut oil. You can also put it into capsules for measured doses.
This site offers a good recipe for cannabis coconut oil.
Summary: If you're able to obtain cannabis legally, you can make your own version of cannabis oil at home. Cannabis coconut oil can also be made and consumed on its own or used topically or as a cooking oil.
Should You Try Cannabis Oil?
The benefits of CBD oil are well established, but it's possible cannabis oil could be even more effective.
The addition of THC, the compound that also gets you "high," could offer greater anti-inflammatory, anti-cancer and pain-relieving effects.
Because cannabis oil uses the entire marijuana plant, there may also be some other synergetic effects involved.
However, the state of cannabis' legality has severely limited its research opportunities. Fortunately this is rapidly changing.
Early studies have found that cannabis treatment has helped patients with chronic pain, cancer, MS, AIDS and fibromyalgia.
As of now, cannabis oil is still difficult to obtain, and is legal for medicinal use in only 30 U.S. states. It's also not regulated, so it's hard to know how much THC you may be getting.
If you're looking for a similar and safe alternative—and one without the "high"—you may want to seek out CBD oil first.
Stephanie is a certified nutrition consultant. She graduated from the University of Iowa with degrees in journalism and psychology in 2003, and later studied holistic nutrition at Bauman College in Berkeley, California.
Reposted with permission from our media associate Diet vs Disease.
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The ghoulishly named ogre-faced spider can "hear" with its legs and use that ability to catch insects flying behind it, the study published in Current Biology Thursday concluded.
"Spiders are sensitive to airborne sound," Cornell professor emeritus Dr. Charles Walcott, who was not involved with the study, told the Cornell Chronicle. "That's the big message really."
The net-casting, ogre-faced spider (Deinopis spinosa) has a unique hunting strategy, as study coauthor Cornell University postdoctoral researcher Jay Stafstrom explained in a video.
They hunt only at night using a special kind of web: an A-shaped frame made from non-sticky silk that supports a fuzzy rectangle that they hold with their front forelegs and use to trap prey.
They do this in two ways. In a maneuver called a "forward strike," they pounce down on prey moving beneath them on the ground. This is enabled by their large eyes — the biggest of any spider. These eyes give them 2,000 times the night vision that we have, Science explained.
But the spiders can also perform a move called the "backward strike," Stafstrom explained, in which they reach their legs behind them and catch insects flying through the air.
"So here comes a flying bug and somehow the spider gets information on the sound direction and its distance. The spiders time the 200-millisecond leap if the fly is within its capture zone – much like an over-the-shoulder catch. The spider gets its prey. They're accurate," coauthor Ronald Hoy, the D & D Joslovitz Merksamer Professor in the Department of Neurobiology and Behavior in the College of Arts and Sciences, told the Cornell Chronicle.
What the researchers wanted to understand was how the spiders could tell what was moving behind them when they have no ears.
It isn't a question of peripheral vision. In a 2016 study, the same team blindfolded the spiders and sent them out to hunt, Science explained. This prevented the spiders from making their forward strikes, but they were still able to catch prey using the backwards strike. The researchers thought the spiders were "hearing" their prey with the sensors on the tips of their legs. All spiders have these sensors, but scientists had previously thought they were only able to detect vibrations through surfaces, not sounds in the air.
To test how well the ogre-faced spiders could actually hear, the researchers conducted a two-part experiment.
First, they inserted electrodes into removed spider legs and into the brains of intact spiders. They put the spiders and the legs into a vibration-proof booth and played sounds from two meters (approximately 6.5 feet) away. The spiders and the legs responded to sounds from 100 hertz to 10,000 hertz.
Next, they played the five sounds that had triggered the biggest response to 25 spiders in the wild and 51 spiders in the lab. More than half the spiders did the "backward strike" move when they heard sounds that have a lower frequency similar to insect wing beats. When the higher frequency sounds were played, the spiders did not move. This suggests the higher frequencies may mimic the sounds of predators like birds.
University of Cincinnati spider behavioral ecologist George Uetz told Science that the results were a "surprise" that indicated science has much to learn about spiders as a whole. Because all spiders have these receptors on their legs, it is possible that all spiders can hear. This theory was first put forward by Walcott 60 years ago, but was dismissed at the time, according to the Cornell Chronicle. But studies of other spiders have turned up further evidence since. A 2016 study found that a kind of jumping spider can pick up sonic vibrations in the air.
"We don't know diddly about spiders," Uetz told Science. "They are much more complex than people ever thought they were."
Learning more provides scientists with an opportunity to study their sensory abilities in order to improve technology like bio-sensors, directional microphones and visual processing algorithms, Stafstrom told CNN.
"The point is any understudied, underappreciated group has fascinating lives, even a yucky spider, and we can learn something from it," he told CNN.
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