LetterVed 27.10.2026

What is "Cannabis"?

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Cannabis — is a genus of annual plants in the Cannabis family that has been used for centuries in medicine, industry, and recreation.

The biochemical composition of this crop includes hundreds of active compounds, the main ones of which are psychoactive tetrahydrocannabinol (THC) and therapeutic cannabidiol (CBD).

Understanding the difference between industrial and medicinal varieties helps to objectively assess both the agricultural potential of a plant and its impact on the human body.

From a biological point of view, cannabis is a common herbaceous crop that grows naturally in regions with temperate and tropical climates.

Simply put, the main feature of this herb is the production of thick resins on its female flowers, which contain phytocannabinoids—unique chemicals found nowhere else in nature. It is the concentration of these secretions that determines whether a plant will become raw material for a textile mill or be sent to a laboratory to create painkillers.

In modern agronomy and jurisprudence, it is customary to strictly divide plant varieties depending on the content they contain psychoactive components.

Industrial hemp is grown solely for its strong fibres and nutritious seeds, while high-THC varieties are cultivated for their specific neurotropic effects.

The main differences between the two key areas of cultural use are presented in the comparative table.

Characteristic Industrial cannabis (Hemp) Medical cannabis
THC content Less than 0.3% From 5% to 30% and above
Main component Cellulose, oils, proteins Cannabinoids, terpenes
Scope of application Fabrics, paper, biofuels Pharmacology, psychotherapy
Growing method Open ground, dense sowing Greenhouses, climate control

The plant's effect on humans is due to the presence of the endocannabinoid system in our body—a complex network of receptors located in the brain, nerve nodes, and internal organs.

When plant substances enter the bloodstream, they bind to these receptors, triggering a cascade of physiological reactions. The process of absorption and activation of active compounds occurs according to the following biological algorithm:

  1. Entry of components into the body through the respiratory tract or mucous membranes of the gastrointestinal tract.

  2. Transport of THC and CBD through the bloodstream to CB1 (in the central nervous system) and CB2 (in the immune system) receptors.

  3. Alteration of neurotransmitter release processes, which leads to correction of perception, mood and blocking of pain signals.

  4. Gradual metabolism of waste substances in the liver and their subsequent natural elimination from the body.

In recent decades, the medical community has been actively exploring the therapeutic potential of purified plant components. Clinical studies confirm the high efficacy of CBD-based medications in treating conditions that are difficult to treat with standard drug therapy. Certified cannabis extracts are currently officially used in medicine worldwide to alleviate the following conditions:

  • Chronic intractable pain syndromes and muscle spasms in multiple sclerosis.

  • Severe forms of childhood epilepsy that demonstrate resistance to traditional anticonvulsants.

  • Severe nausea and critical loss of appetite in cancer patients undergoing aggressive chemotherapy.

  • Increased intraocular pressure in diagnosed glaucoma.

Despite proven medical benefits, uncontrolled use of psychoactive strains carries significant health risks, especially with systematic use.

Regular exposure of the developing nervous system to high doses of THC can cause short-term memory impairment, decreased cognitive function, and increased baseline anxiety.

The World Health Organization notes that inhaling combustion products of any herbal mixtures negatively impacts lung tissue, increasing the risk of chronic bronchitis. This makes the use of purified pharmaceutical forms in strictly measured dosages a priority.

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