Mental Health

Psych of cannabis

Recent research shows that the use of cannabis can lead to mental disorders such as schizophrenia and psychosis.

Psych of cannabis

SCHIZOFRENI: The risk of schizophrenia increases by 700 percent in people using cannabis, a Swedish study shows. Photo: iStockphoto

In the sixties, hay was associated with hippie culture, creativity, peace and love. It was simply no harm to smoke a little hay at a party – at school – or in flower beds.

Still, even though hay is an illegal drug in Norway, the drug is still higher in rates than other drugs.

For example, at, you can read that Kirsten Dunst thinks the world will be a better place if more people smoke hash.

Mental Disorders

But the world is not necessarily a better place for the smoker, at least for a long-term perspective. The results of several studies show that long-term effects of hash can be very serious.

Good studies from New Zealand show that cannabis can pose a risk of mental illness, “said Willy Pedersen, professor of sociology at the University of Oslo.

More will develop schizophrenia

Professionals have known for a long time, but it’s only recently they have been able to prove it. In particular, it has been researched that cannabis can lead to schizophrenia and psychosis.

In a Swedish study of first-time recruits in Sweden and a similar study in Amsterdam, it has been found that the risk of schizophrenia increases by 700 percent in people using cannabis.


It has also been proven that regular hay farming produces poorer concentration, short-term memory, attention and understanding of the outside world.

In particular, for disadvantaged youth, cannabis can be a trigger for mental disorders.

Less Large Consumers

Several youngsters try out hay than any other substance.

– Up to the age of 20, trying around one in five to smoke cannabis. But if you follow up the youth until they are 30, there are many more who debut later, at least one in three. Most people use cannabis a few times. The group that becomes big preacher is smaller, explains Professor Willy Pedersen.


Chief physician Jon Johnsen at the Department for Research, Strategy and Development at Asker and Bærum HF Hospital is concerned.

If cannabis use continues to be as prevalent as among young people in Norway today, we will probably have an increase in the occurrence of schizophrenia over the next ten years

– Cannabis use continues to be as widespread as among young people in Norway today, we will probably increase the occurrence of schizophrenia over the next ten years, says superior.

Positive Reputation

Willy Pedersen points out that the positive reputation of the canyon is a problem.

Ever since the sixties, hash has been linked to culture, creativity, political opposition and environmental protection. Many resourceful young people have created images that the hash is ok.

When Bellona leader Frederic Hauge is arrested with hash, he contributes to this, “Willy Pedersen told The New.


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