THC
Dive into the fundamentals of THC with Releaf Cannabis Education. Gain valuable knowledge about this potent cannabinoid and its effects.

Approved
All of our educational content has been written or reviewed by our team of writers, doctors and cannabis experts.
Our clinical team is led by Dr Stephen D'Souza MB ChB, MRCP, FRCR, FRCP.
What THC percentage is considered high THC?
Definitions of high THC products will differ depending on each country’s regulations, but generally speaking, strains testing 15% THC or higher are usually classified as containing high levels of THC. The UK limits THC potency to 0.2% for non-prescribed products containing cannabinoids, which are considered very low THC. Medicinal cannabis was made legal here in the UK in November 2018, allowing doctors to prescribe medical cannabis products that contain more than 0.2% THC.
THC
8 min read

The Medical Benefits of THC explained
THC, or delta-9 tetrahydrocannabinol, is the most prominent cannabinoid in most cannabis sativa L. strains, and the compound that produces the psychoactive, intoxicating effects associated with cannabis. But, along with the recreational effects of THC, research is showing that it offers a range of potential therapeutic, wellness, and medicinal benefits for those suffering from a surprisingly wide extent of conditions.
THC
13 min read

Understanding THC levels in medical cannabis in the UK
Tetrahydrocannabinol, more commonly referred to by its abbreviation THC, is the potently intoxicating component in cannabis that is responsible for the recreational ‘high’ so often attributed to the consumption of cannabis. But THC is more than just a recreational substance, and a growing body of evidence is showing its therapeutic potential for a wide range of medical conditions.
THC
6 min read

What is the difference between THC and CBD?
From a chemical standpoint, THC and CBD are actually isomers. This means that although they have the same chemical formula, their structure differs. They are both classed as phytocannabinoids, or cannabinoids produced by the cannabis plant, but their differences in structure mean that they interact with our body’s receptors in entirely disparate ways – and this is what results in their unique therapeutic properties.
CBD
11 min read

A beginner's guide to medical THC
From providing effective pain relief and controlling inflammation, to alleviating the symptoms of mental illnesses like depression and anxiety, multiple sclerosis, glaucoma, Parkinson’s disease, and a range of other illnesses and health concerns, THC is showing its potential as a powerful and versatile complementary treatment option. With ongoing research and advancements in medical science, the application of THC continues to expand, offering new possibilities for improving the lives of individuals facing various health challenges
THC
8 min read

What is THC and how does it work in the body
THC possesses a surprisingly diverse range of medicinal properties, paving the way for its utilisation in various treatment approaches. From alleviating pain to safeguarding neurological functions, the therapeutic capacity of THC continues to mesmerise scholars and stimulate ongoing investigations into its applications.
THC
11 min read

What does THC do to the brain?
Delta-9-tetrahydrocannabinol (THC) is a psychoactive molecule present in cannabis that affects key functions of the brain such as the state of consciousness, mood, memory, attention, learning, reaction time, and possibly even the formation of new brain cells. Traditionally, THC has been associated with the intoxicating, euphoria-inducing effects of cannabis, leading many to believe that it lacks therapeutic potential.
THC
8 min read
