Scientists have proven that marijuana leads to irreversible changes in the brain.
Scientists working on the basis of the University of Texas found that it causes a person to get used to the smoke from marijuana.
The researchers did not take into account the opinions of experts, who noted that cannabis cannot be called a drug. American scientists said that marijuana has all the properties of drugs.
In studies scientists have proven that long-term consumption of marijuana in the human brain, the same processes that those who regularly consume dangerous drugs.
And observations confirmed the speculation of scientists that the smoke from marijuana contributes to dependence.