Prevention
Knowledge
Clearly explained: what cannabis does in the body, how to recognise problematic use and where to find help. Factual and with sources.
Prevention training
Nine modules, one certificate
Work through the modules one by one, test your knowledge with 27 questions and get a certificate of participation. Optional and without registration. The test and certificate are in German.
0 of 9 modules · 0%
Self-test
How is your cannabis use?
Eight questions, two minutes. Your answers stay on your device. If you would rather talk to someone, you can reach our prevention officers anonymously.
The nine modules
In order or one at a time, each one read in a few minutes.
- Module 1 What cannabis does in the body How THC acts in the brain, what shapes its effects, how long they last and how long cannabis stays detectable. A factual explanation from CSC Dortmund. Understanding · 2 minutes
- Module 2 Risks without panic The risks of cannabis, calmly explained: intoxication, driving, the heart, psychosis, depression and dependence, based on current research, with sources. Knowing the risks · 4 minutes
- Module 3 Why age matters Brain development until the mid-20s, the consequences of starting early and what the German KCanG says for under-18s and 18- to 20-year-olds. Knowing the risks · 4 minutes
- Module 4 Who should avoid cannabis When cannabis is particularly risky: pregnancy and breastfeeding, a family history of psychosis, heart disease, addiction, medication and alcohol. Knowing the risks · 2 minutes
- Module 5 How dependence develops Person, substance, environment: the addiction triangle, the reward system and tolerance, risk and protective factors, and how DSM-5 and ICD-11 classify it. Understanding · 2 minutes
- Module 6 Recognising warning signs Signs of cannabis use disorder in plain language, based on the DSM-5, what withdrawal can feel like and what you can do for yourself or someone else. Knowing the risks · 2 minutes
- Module 7 When it gets too much Anxiety, panic or collapse after cannabis: how to help, when to call 112, the recovery position, poisoning in children and cannabis hyperemesis syndrome. Help · 2 minutes
- Module 8 Road traffic and the law What German law says: the 3.5 ng/ml THC limit for drivers, fines and driving bans, the MPU, no-consumption zones, possession, storage and passing on. Knowing the risks · 6 minutes
- Module 9 Raising a concern How to raise a concern about cannabis use: stages of change, conversation tips and open questions, your own limits and support for family and friends. Help · 4 minutes
In an acute crisis? Telefonseelsorge (in German) 0800 111 0 111, emergency number 112.