Cannabis knowledge

Sep 26, 2026

CBD drug interactions: which medicines to be careful with

Can CBD interact with your medicine? How CBD slows the enzymes that clear drugs, which medicines need most care, and ...

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Sep 26, 2026

Will CBD show up on a drug test? Work, roadside and sport

CBD itself doesn't fail drug tests, but trace THC can. How urine and saliva tests work, THC driving rules in 31 Europ...

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Sep 26, 2026

CBD side effects: liver, medicines and who should avoid it

What trials show about CBD side effects, liver enzymes and medicines, what EFSA and the UK FSA advise, and who should...

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Sep 26, 2026

CBD oil dosage: how many mg per drop? (all strengths)

How much CBD is in one drop, and how much should you use? mg-per-drop tables for every Formula Swiss oil, and how to ...

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Sep 26, 2026

CBD for cats: is it safe? Dosage, studies and side effects

CBD for cats: what studies show about safety, liver values and doses by kg, the Bologna cat gut study, and which sign...

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Sep 26, 2026

CBD for dogs: dosage by weight, safety and research

How much CBD for a dog? Label directions, study amounts by kg, research on joints, stress and seizures, side effects,...

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Jul 08, 2025

What is the difference between cannabis, marijuana and hemp?

Hemp and marijuana are both Cannabis sativa L. How they differ in THC, genetics, uses and legal status, and what "can...

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Jul 08, 2025

How is THC measured in hemp and cannabis? Lab testing explained

How laboratories measure THC in hemp and cannabis: GC vs HPLC, total THC, the EU sampling method, and why two labs ca...

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Jul 08, 2025

How to extract CBD oil from hemp: CO₂, ethanol and the steps

How CBD oil is extracted from hemp, step by step: drying and milling, CO₂, ethanol or butane extraction, decarboxylat...

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Jul 08, 2025

What is hemp? Hemp vs marijuana, CBD and uses

Hemp is Cannabis sativa bred for fibre, seeds and CBD, with too little THC to get you high. How it differs from marij...

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Jul 08, 2025

How is hemp grown? From sowing to harvest

Hemp is sown in spring, flowers as the days shorten and is harvested after about three to four months. The steps, the...

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Jul 08, 2025

The history of hemp: from Neolithic crop to today

Hemp is one of the oldest crops. Where it was first domesticated, how it reached Europe, why 20th-century drug laws p...

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Jul 04, 2025

What is Cannabis ruderalis? Meaning, origin and autoflowering

What Cannabis ruderalis is, where the name comes from, whether it is a separate species, how it differs from sativa a...

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Jul 04, 2025

What is cannabis indica? Meaning, origin and indica vs sativa

What cannabis indica is, what the name means, where it grows naturally, how it differs from sativa, and why the label...

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Apr 08, 2024

What is cannabis sativa?

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Nov 10, 2023

What is THC oil? How it differs from CBD oil, and the law

What THC oil is, what it looks like, how it differs from CBD oil and hemp seed oil, what THCA oil is, and how the law...

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Aug 18, 2023

What is cannabis?

Cannabis is a flowering plant genus in the hemp family (Cannabaceae), first domesticated in East Asia in the early Ne...

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