Experimenting with cannabis on a casual basis damages the brain permanently, research has found.
It is far from being a “safe” drug and no one under the age of 30 should ever use it, experts said.
People who had only used cannabis once or twice a week for a matter of months were found to have changes in the brain that govern emotion, motivation and addiction.
Researchers from Harvard Medical School in America carried out detailed 3D scans on the brains of students who used cannabis casually and were not addicted and compared them with those who had never used it.
Two major sections of the brain were found to be affected.
The scientists found that the more cannabis the 40 subjects had used, the greater the abnormalities.
Any and every drug you put in your body effects you, the obsession with weed makes no sense. Alcohol is worse for you, but that's legal, so are cigarettes.