A high-THC strain is likely what people refer to when they describe a certain type of weed as very potent. The high that marijuana induces is due to THC, the psychoactive substance that causes its effects. Brain development may be influenced by the use of marijuana during the teenage years and early adulthood. It is also called the feel-good brain chemical.

Some forms of THC can be produced semi-synthetically in a laboratory, Shutterstock, This cannabinoid is usually found in small amounts in cannabis plants, but there are rare chemovars that produce higher amounts of THCV. Another way to pick your THC product is based on consumption method. Potency is one of the most important aspects to consider when deciding which cannabis products to use. Sometimes the flavor and scent of cannabis can be very powerful in full spectrum products, which is why some people may prefer isolate-based products.

It can take up to a few hours to feel the effects of edible cannabis. Cannabis can also be taken by eating, chewing, or drinking cannabis products, called edibles. When cannabis is inhaled, the cannabinoid chemicals enter the lungs, are absorbed by the bloodstream, and go to the brain quickly.

The short-term effects of cannabis are caused by many chemical compounds in the cannabis plant, including 113 different cannabinoids, such as tetrahydrocannabinol, and 120 terpenes, which allow its drug to have various psychological and physiological effects on the human body. Heavy cannabis users often get cravings and find it hard not to take the drug – even when they know it’s causing them physical, mental or social problems. This is because smoking cannabis creates harmful toxins that can cause serious diseases such as cancer (lung disease), heart disease and stroke.

Types of cannabis

And while for most people, cannabis produces a feeling of relaxation, in others, for how long for weed pen to work poorly understood reasons, it can trigger anxiety and panic. Most users are aware of the common side effects (including impairments in memory and attention), greater inclination for risk-taking, and diminished capacity to drive. The marijuana and cannabis products that your grandparents may have used are very different from what’s out there now. “The marijuana and cannabis products that your grandparents may have used are very different from what’s out there now,” says Deepak Cyril D’Souza, MD, Albert E Kent Professor of Psychiatry at Yale School of Medicine.

“Hempcrete” (hemp concrete), hemp wood, animal hurds and hemp fiber clothing are all common, popular uses for the plant. An explanation about cannabis products available , legally and not, in South Dakota. The oil has been thought to have some medicinal properties — including relieving inflammation, pain relief and reducing anxiety, although there have not been conclusive scientific studies on this. Store all cannabis products safely, keeping them out of reach of children, youth and pets. This is because some of these products may be confused with similar non-cannabis products.

Potential risks of THC

Consequently — it has become the product in the hemp industry that is experiencing the quickest growth. Lead and mercury (along with other potentially harmful substances), were discovered in a small study of delta-8 vape oils, which are primarily extracted from legally farmed CBD from hemp in the U.S. According to research, long-term marijuana users often experience brain-related effects such as decreased IQ, diminished processing speed, and difficulties with memory and attention. In the event of an emergency — either call 911 or go to the nearest hospital. The availability of a product on store shelves does not guarantee that it is without risks.

Understand how Tetrahydrocannabinol (THC) affects your body (how it differs from CBD), and the potential benefits and side effects of medical treatment. The implementation and testing of medicinal cannabis treatment is occurring in Queensland. Consult your medical practitioner or nurse practitioner to determine if this treatment is suitable for you. According to the Therapeutic Goods Administration (TGA), an initial treatment plan should include a trial period of one month.

THC for the reduction of nausea and vomiting

In Pueblo (Colorado), she serves as the medical director for a dual diagnosis treatment program for 90 inpatients; comparisons with CBD have been frequent, and THCA, when ingested, may provide substantial medical advantages akin to THC without psychoactive effects. It is commonly believed that cannabis serves as a safe, natural substitute for pharmaceuticals in managing pain, nausea, muscle spasms, appetite, and post-traumatic stress disorder. Cleveland Clinic offers the hope and treatment solutions you are seeking. Since CUD can severely impact your life, it is crucial to contact your healthcare provider for prevention or treatment options.

Leaving a review of your experience with Rethink will be a big help to us. A study found that when patients took a … Oct. 23, 2025, Colorado researchers discovered that nearly half of tested cannabis flower products exaggerated their THC levels, while concentrates were mostly accurate. Jan. 19, 2026, Cannabis-based medicines have been widely promoted as a potential answer for people living with chronic nerve pain—but a major new review finds the evidence just isn’t there yet. Among therapeutic studies, some suggested beneficial effects for anxiety (47%) and depression (48%), while others suggested unfavorable effects , 24% for anxiety and 30% for depression,.

The study also found that people who knew these long-term cannabis users well observed that they had developed memory and attention problems. Long-term cannabis users’ IQs declined by 5.5 points on average from childhood, and there were deficits in learning and processing speed compared to people that did not use cannabis. The research team discovered that individuals who used cannabis long-term , for several years or more, and heavily (at least weekly, though a majority in their study used more than four times a week) exhibited impairments across several domains of cognition.