Information on different types of drugs, how they impact the nervous system, and why some substances create stronger dependency than others.
Different drugs affect the body and brain differently depending on what they are, how they're used, and how often. Understanding what a substance actually does — not just what it feels like — makes it easier to see what you're dealing with.
These slow down brain activity. They produce relaxation, drowsiness, and reduced inhibition.
These speed up the nervous system. Increased energy, alertness, confidence — but the crash that follows can be brutal.
These alter perception, thoughts, and feelings. Effects are unpredictable and can be completely different each time.
These bind to pain receptors in the brain. They block pain and produce intense euphoria — and they are among the most addictive substances that exist.
Doesn't fit neatly into one box — it can act as a depressant, stimulant, or hallucinogen depending on the strain, the amount, and the person.
The speed and intensity of the dopamine hit makes a difference. Substances that flood the brain quickly — like ice, heroin, or crack cocaine — create a stronger connection between the substance and reward. The faster the high, the harder the crash, and the stronger the pull to use again.
How you take it matters too. Smoking and injecting deliver substances to the brain faster than swallowing a pill, which means higher addiction risk from the start.
Most people start for the short-term effects — to feel good, escape pain, fit in, cope. But the long-term effects are where the real damage stacks up:
If you're worried — about yourself or someone you care about — you don't need all the answers right now. You just need to start somewhere. Reach out to a helpline, a GP, or someone you trust.
Gracie is available 24/7 to talk, or explore our tools and worksheets to support your journey.