What are the consequences of starting cannabis use early?
An early start to cannabis use can have lasting consequences for thinking and learning. Drugcom describes exactly this connection and names impairments of cognitive performance as a possible consequence of an early start. This article explains what is meant by this, why age plays a role and what protection means in everyday life.
Why age plays a role
The Bundesinstitut für Öffentliche Gesundheit (BIÖG) describes the young brain as being in an important phase of development: a constant “flooding” with THC disrupts maturation processes in the brain.
The link with the age of initiation is therefore central. The younger someone is, the greater the health risk according to BIÖG. According to drugcom, research generally counts use before the age of 16 as an early start, occasionally also before 18. The article on whether cannabis harms the young brain explains the basics in more detail.
Which cognitive consequences are described
Cognitive performance covers concentration, memory, learning and planning actions. Drugcom describes that an early start can impair these abilities lastingly. The word lasting is important here: it refers to consequences that can persist beyond the period of use.
BIÖG also names memory as an area that can suffer. If it works worse, learning, exams and the development of skills suffer. The effects vary from person to person, but the risk is especially relevant in adolescence.
What this means for school and training
When memory works worse, learning becomes more laborious. Material sticks less well, exams become harder, and the connection in class is lost more quickly. In the worst case, the school or vocational qualification is at risk, as BIÖG describes.
| Area | Possible consequence | Source |
|---|---|---|
| Memory | markedly poorer performance | BIÖG |
| School or vocational qualification | at risk in the worst case | BIÖG |
| Cognitive performance | lasting impairment possible | drugcom |
BIÖG names, among other signs, suddenly poorer performance, frequent absence and withdrawal. Anyone who notices such changes should seek a conversation.
Psyche and dependence as further risks
In addition to cognitive consequences, there are risks for mental health. According to BIÖG, people who smoke cannabis get psychosis more often than people who do not. In addition, roughly one in eight people who use cannabis becomes dependent. The longer and more often someone uses, the greater the risk according to BIÖG.
The article on warning signs of psychosis explains what to look out for. The question of dependence is answered in the article on warning signs of cannabis dependence.
Protection through conversation and everyday life
Parents, schools and professionals can hold conversations and raise warning signs early.
BIÖG names a factual and differentiated approach to young people as important, and points out that young people tend to downplay use. Whoever answers questions openly while stating clearly what applies gives orientation.
How school and family work together
Schools can integrate prevention offerings into lessons, and families can continue these topics at home. The article on school prevention shows typical approaches.
Clear agreements between school and home provide orientation.
Starting prevention early
BIÖG offers programmes for schools from grade 8, and the life skills programme “IPSY 8 CAN” already for grades 5 to 8. According to BIÖG, the funded programmes are quality-checked and evaluated.
Prevention should remain factual, because BIÖG names a factual and differentiated approach as important.
What role leisure and interests play
BIÖG names giving up interests and hobbies as a sign of addiction. Sport, music, volunteering or groups are offers that young people can use without using cannabis. There is no proof of a protective effect.
Parents and professionals can support such offers.
How schools recognise warning signs early
Teachers often notice changes earlier than other adults. Sudden drops in performance, declining concentration or new friendship circles are signals that should be taken seriously. It is important that the school places these observations in context in conversation with parents and counselling services.
The article on warning signs in class describes what teachers can look out for. A single sign is not yet proof.
Siblings and circles of friends
According to drugcom, it is above all peers who have an important influence on drug use: usually people from the circle of friends initiate use and ensure availability.
Shared activities without use are one way to offer alternatives within the circle of friends.
The BIÖG advises teachers to expect questions about their own use too and to reflect on their own attitude beforehand.
What you can do specifically
- Inform yourself about the risks of an early start, which according to BIÖG grow the younger someone is.
- Pay attention to changes in concentration, performance and mood, in yourself and in others.
- Talk early with a trusted person, a doctor or a counselling service.
- Use the offers under Prevention to inform yourself further.
Anyone who addresses the topic early and factually gives orientation.
Frequently asked questions
Is an early start automatically harmful?
This cannot be said for every individual. According to BIÖG, however, the health risk is greater the younger someone is and the longer and more often they use. Drugcom describes lasting impairments of cognitive performance as a consequence of an early start.
Can early damage be reversed?
According to drugcom, it has not been conclusively established whether the brain of young people recovers after abstinence. For long-term users, drugcom writes that brain performance improves quickly after stopping, and that it is unclear whether small impairments remain. A doctor can assess the personal situation and discuss suitable steps.
What should parents do if they suspect an early start?
Seek a calm conversation, address specific observations and get advice. Warning signs such as declining performance or withdrawal are a reason to talk, though not yet proof. More on this is covered in the article on first steps for parents.