Just because some countries around the world have been relaxing the law on cannabis, one shouldn’t lose sight of the fact the marijuana is still a psychoactive drug, and any substance use will come with risks.
Many studies have shown that even casual, recreational use of cannabis will change the size, shape and density of the brain. These risks are particularly high for students, because their brains are not fully developed until the age of 25.
Due to biological differences, men and women also experience the effects of cannabis differently, as this chart shows:
