Practical tips

HHC-O has been a controlled substance in Poland since 2023, and HHC-P was added to the list in 2025. Check how they differ and what studies say about them.

H4CBD is tetrahydrocannabidiol, a hydrogenated CBD analog known since 1940. Check how it is produced, whether it is psychoactive, and what Polish law says about it.

CBDa, CBGa, and THCa: how they differ from CBD, CBG, and THC, what studies have shown, how Polish law counts them, and why the analysis certificate may be understated.

Plants, your own body, and laboratories produce cannabinoids with completely different safety profiles. A comparative table, mechanisms, and the legal status in Poland.

Hempcrete, or hemp concrete: measured lambda values and specific heat, real CO2 balance of the wall, and legal basis for cultivation and construction in Poland.

Licorice has a EU monograph only as a traditional medicine, with a limit of 100 mg of glycyrrhizin per day and a real risk of hypertension and hypokalemia. What the documents say.

Hash oil, or RSO and FECO, without legends: what full-spectrum hemp extract is, what studies really say about it, and what its legal status is in Poland.

What are the differences between the four methods of cannabis extraction, what has actually been measured in this field, what solvent limits apply, and what Polish law says.

Cannabidiol reduced cue-induced craving in individuals with heroin addiction. We check what exactly the studies have shown and where the evidence ends.

Anandamide and 2-AG change concentration in a circadian rhythm. What measurements in humans have shown, how they differ from data from rodents, and how sleep deprivation affects this.