Cannabis Marijuana, Weed: What It Is, Uses & Side Effects

The problem of THC and CBD (two prominent components of marijuana), is also worth discussing. We eagerly anticipate keeping you engaged — informed, and inspired about all matters related to CAMH. Individuals who start using cannabis before turning 18 face a significantly higher risk.

According to the World Drug Report 2025, cannabis ranks as the most widely consumed drug globally, with an estimate of 244 million users in 2023, constituting 4.6% of the global population aged 15 to 64. Usage among individuals aged 16 to 59 years dropped from 7.6%, approximating 2.5 million users, in the preceding year. To learn about the legal status of cannabis in various countries around the globe, refer to the Wikipedia page on the legality of cannabis. Countries such as Canada (Mexico), South Africa, and Uruguay have now legalized cannabis.

Certain cannabinoid-based medications have recognized medical applications and have received FDA approval. Aromatic compounds known as terpenes are responsible for much of the scent and taste of marijuana and may also have their own biological effects. This does not imply that a THCP product will automatically generate a high that is precisely 33 times more potent than THC. THCP exhibits extraordinarily strong activity at cannabinoid receptors; however, labeling it as “33 times stronger” is an oversimplification.

The Safety of Marijuana

Researchers are examining its efficacy in pain management, including for conditions like migraines. Each strain contains varying levels of cannabinoids — which are the active ingredients in cannabis. It is the compound responsible for the “high” or intoxicated sensation associated with cannabis use. The mood-based shopping guide performs the task for you. Are you looking to align products with how you wish to feel? The subjective experience is influenced far more by the specific profile of cannabinoids and terpenes than by the label of the plant category.

• Research into delta-8 remains much smaller than the extensive literature on delta-9 THC, but recent controlled human studies have substantially expanded what is known about its potency and effects.
• Nonetheless, there was no significant difference between the treatment groups and the placebo regarding the proportion that met the study’s threshold for clinically meaningful improvement.
• While the chemical structure of THC (C21H30O2) indicates several isomers, the term typically refers to the delta-9-THC isomer known chemically as (−)-trans-Δ9-tetrahydrocannabinol.
• A crucial aspect of cannabinoids is that the living cannabis plant does not primarily produce THC and CBD in the recognizable forms consumed by users.

Recreational use is banned — medical cannabis prescriptions are tightly controlled, and the overall opinion remains, unfortunately, quite divided. The plant has been cultivated as a source of fibre, food, and medicine across cultures, continents, and timeframes. The researchers concluded that the risk of death from cannabis toxicity alone is “negligible.” For comparison — opioids and alcohol are each responsible for tens of thousands of single-substance deaths annually in the U.S.

CNN says study found cannabis could double heart attack risk – but did it? TRPV2 is an ion channel — which is widely present in the nervous system and is involved in immune response, and may hold therapeutic potential in many conditions such as cancer30, epilepsy and diabetes. Some of the conditions that GPR55 plays a role in are inflammatory and neuropathic pain and even as a potential therapeutic target in the treatment of cancer. One rodent study showed that mice that were genetically modified to not have GPR55 receptors, actually had a more enhanced sensitivity to THC. But for now, very little is known about how it works in general and how THC interacts with it in particular, so it’s not officially recognized as a part of the ECS. This receptor interacts with so many cannabinoids that some researchers suggest it should be classified as CB3- a third ECS receptor.

Tolerance does not apply uniformly to “cannabis”; rather — it is a response that varies by receptor and is influenced by hub.420 the compounds that the brain has encountered most frequently. In studies involving animals (chronic THC exposure resulted in approximately a 20% reduction in CB1 receptor binding in brain areas like the hippocampus), cerebellum, and striatum, with the hippocampus showing the most significant alterations. An individual who has a favorable reaction to a specific strain of cannabis flower may have a markedly different experience with a THC isolate at the same dose or with a different strain whose chemical profile alters the balance.

Some programs utilize 12-step meetings to instruct individuals on preventing relapse. Tolerance indicates that increasing amounts of marijuana are needed to achieve the same sensation of high.

The term cannabinoid encompasses not only compounds derived from marijuana. Two different compounds from the same plant can have widely varying effects. Researchers have identified over 100 phytocannabinoids, with recent reviews noting more than 150 and around 160 minor cannabinoids when considering how related compounds are categorized. Cannabinoids represent a diverse class of chemical substances that can interact with cannabinoid receptors or various biological signaling pathways. Unlike THC, CBD does not induce the same high and has emerged as one of the most extensively studied compounds within cannabis. Cannabinoids are naturally occurring substances present in marijuana and hemp that can interact with the human body in remarkably diverse manners.

If your body develops a tolerance to cannabis, you may feel you need to take more to get the same effects. If you suspect someone has overdosed, it’s always best to administer naloxone. It’s unusual to overdose on herbal cannabis, but if it’s taken in large amounts or is contaminated with SCRAs (spice), the effects may be extreme and can lead to overdose. And always remember – if you’re feeling low and feel you can’t talk to a friend or family member — contact us for help through our webchat or find your local service.

• Others are recreational compounds produced through chemical synthesis or conversion.
• While further investigation is necessary, some research indicates that cannabis use during pregnancy may have impacts on children later in life.
• However, recent studies have shown little evidence of a link between cannabis use and lung cancer.
• It is derived from the cannabis plant, which produces a thick substance abundant in cannabinoids.
• Due to their potency, vapes are typically prescribed for patients requiring rapid relief or those who haven’t benefited from lower-strength alternatives.
• One challenge faced by researchers is attracting cannabis smokers to participate in studies.

In some U.S. states (it’s also prescribed to help with a range of medical conditions), including chronic pain, glaucoma, and poor appetite. A tincture prescribed as a cannabis-based medicinal product by a UK specialist is lawful for that patient only. The FSA advises healthy adults to take no more than 10mg of CBD per day from food supplements (and advises against CBD entirely for people who are pregnant), breastfeeding or taking prescribed medication. The large majority of UK patients access medical cannabis privately, through specialist clinics such as Sapphire Medical, Releaf, Mamedica, Cantourage, Lyphe Clinic and Curaleaf Clinic. Patients prescribed a cannabis-based medicinal product have a statutory medical defence, but only where the medicine was taken in accordance with the prescription and driving was not actually impaired.

This implies a high potential for abuse, a lack of recognized medical uses, and insufficient safety for medicinal application. Depending on your location, THC products may be legally available to all adults, while some states restrict access solely to medical patients. For example, CBD is best recognized for its anti-anxiety, anti-inflammatory, and anti-epileptic properties, whereas THC is predominantly used for alleviating nausea, pain, and muscle spasticity.

Was this really a science-based policy — or simply a convenient way to show toughness in the face of the counterculture? Cannabis was not yet the focus, but the Act created a framework broad enough to include it when the time came. It is free — takes less than 20 seconds, and provides clear guidance on whether medical cannabis in the UK could be an option for you. If you are interested in finding out more about your treatment options, you can try Releaf’s medical cannabis eligibility checker.

Although medical cannabis contains higher levels of THC compared to hemp, these levels are regulated and supervised by professionals to provide therapeutic advantages. Medical cannabis is cultivated in controlled environments adhering to strict quality standards and can be consumed in various forms such as flower (cannabis oil), vape cartridges, and capsules. The flowers of cannabis contain hundreds of active therapeutic compounds known as cannabinoids (which can exert drug-like effects throughout the body), along with terpenes that contribute to the plant’s aroma.