Whether you are considering cannabis for the first time, returning after a long break, or simply want a thorough understanding of the basics, this guide covers everything you need to know. Cannabis has changed dramatically in recent years , from legal access to product variety to scientific understanding.
What Is Cannabis?
Cannabis is a flowering plant used by humans for thousands of years for medicinal, recreational, and industrial purposes. The two most important compounds are:
- THC (tetrahydrocannabinol): The primary psychoactive compound producing the high
- CBD (cannabidiol): Non-psychoactive, associated with therapeutic benefits. See our CBD oil benefits guide.
Cannabis also contains 100+ minor cannabinoids and 200+ terpenes that work together to create its wide range of effects.
Cannabis vs. Hemp vs. Marijuana
- Cannabis: The plant genus including all varieties
- Hemp: Cannabis with less than 0.3% THC. Federally legal. Used for CBD, fiber, food.
- Marijuana: Cannabis with more than 0.3% THC. Subject to state legalization.
How Cannabis Works
Your body has an endocannabinoid system (ECS) , receptors throughout your brain and body regulating mood, pain, appetite, sleep, and immune function.
- CB1 receptors: Primarily in the brain. THC binds here for psychoactive effects.
- CB2 receptors: Primarily immune system and body. CBD and some terpenes interact here.
Consumption Methods
Smoking
The most traditional method using joints, pipes, bongs, or blunts. Onset: 1-5 minutes. Duration: 1-3 hours.
Vaporizing
Heats cannabis without combustion, producing vapor instead of smoke. Considered healthier. Desktop and portable options available.
Edibles
Cannabis-infused foods and beverages. Onset: 30 min-2 hours. Duration: 4-8 hours. Much stronger due to liver metabolism. Start with 2.5-5 mg THC. See our complete edibles guide.
Tinctures
Liquid extracts taken under the tongue or added to food. Sublingual onset: 15-30 minutes. Precise dosing via measured droppers.
Topicals
Creams, balms, and patches for localized relief. Most do not produce psychoactive effects. Great for joint pain and muscle soreness.
Concentrates
Highly potent extracts (60-99% THC). Not recommended for beginners. See our concentrates guide when ready.
Understanding Strains
Products are commonly categorized as indica, sativa, or hybrid:
- Indica: Relaxation, body effects
- Sativa: Energy, cerebral effects
- Hybrid: A blend of both
Modern science suggests terpene profiles are more predictive than these labels, but they remain useful for beginners.
Buying Cannabis Legally
- Dispensaries: Licensed retail stores with knowledgeable budtenders. Find one near you on our cannabis map.
- Online ordering: Many dispensaries offer delivery or curbside pickup
- Age: 21+ recreational, 18+ medical with card
- Limits: Most states cap purchases (commonly 1 oz flower)
Browse products at the Ganja.com shop.
Your First Experience: What to Expect
Before You Start
- Choose a comfortable, safe environment
- Have a trusted friend present
- Keep water and snacks nearby
- Clear your schedule , do not drive
- Start with low-THC product (15-18% flower, 2.5-5 mg edibles)
What You Might Feel
- Euphoria or mood elevation
- Relaxation
- Heightened sensory perception
- Altered time perception
- Increased appetite
- Dry mouth and red eyes
If You Feel Uncomfortable
- It is temporary and will pass
- Deep breaths, stay calm
- Drink water
- Chew black peppercorns (caryophyllene may reduce anxiety)
- CBD can counteract excessive THC
See our cannabis dosage guide for detailed advice.
Cannabis Glossary
- Flower (bud): Dried, smokeable cannabis
- Pre-roll: Pre-made joint
- Trichomes: Crystal-like glands producing cannabinoids and terpenes
- Terpenes: Aromatic compounds affecting flavor and effects
- Cannabinoids: Chemical compounds (THC, CBD, CBG, etc.)
- Entourage effect: Synergy between all cannabis compounds
- Decarboxylation: Heat-activated conversion of THCA to THC
- Budtender: Dispensary staff who helps customers
- Microdose: Very small dose (1-2.5 mg THC)
- Tolerance: Decreased sensitivity with regular use
Essential Resources
- Indica vs Sativa vs Hybrid
- Cannabis Dosage Guide
- Cannabis Terpenes Guide
- How to Read Cannabis Labels
- How to Store Cannabis
Find a dispensary using our map, and check out Ganja.com Rewards to save on purchases.
This article is for informational purposes only and does not constitute medical advice. Cannabis laws vary by jurisdiction. Always comply with your local regulations and consult a healthcare professional before using cannabis products.
