Smoking one or more joints a day during a year or longer is considered long-term use. However, this varies from researcher to researcher.
The health risks of this long-term use are:
- In some cases high quantity users can experience feelings of anxiety, depression and be seriously unwell.
- Cannabis influences driving ability.
- Smoking cannabis causes carcinogens to enter the body.
- During pregnancy, cannabis can have negative consequences for the fetus.
- Long-term use of cannabis may affect thinking, emotions and feelings.
- In some cases, long-term use of cannabis can lead to dependence and abuse.
- Cannabis can provoke a psychosis in people who are sensitive to it. More.
Some researchers are of the opinion that:
- Cannabis is a first step to the use of hard drugs.
- Cannabis has negative effects on the immune system.
- Cannabis influences fertility.
- Cannabis causes schizophrenia. More.
- Cannabis leads to apathy and loss of interest.
- Cannabis can cause anger, especially when trying to stop using Cananabis.
However, these statements have not been proven.