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. Susan Jane Clenton, MD
What THC percentage is considered high THC?
THC strength is one of the most common questions patients ask. This guide explains what percentage is considered high THC, how cannabis THC percentage is measured, the typical averages in the UK, and what both the potential risks and medical benefits look like when treatment is prescribed safely under clinical guidance.
THC
7 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
THC levels in UK medical cannabis range from lower-strength oils and flower to highly concentrated extracts. This guide explains what different THC percentages mean, how specialists decide on the right strength, and why safe prescribing is essential. It also looks at how the law works in practice and how Releaf supports patients.
THC
11 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 is the main psychoactive compound in cannabis, but its role goes far beyond the classic “high” associated with recreational consumption. This guide explains how THC works in the body, the medical benefits being researched, the risks to be aware of, and what medical cannabis prescribing looks like in the UK today.
THC
20 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
7 min read








