Abstract
In this essay, an emphasis is given on the problems that come with the situation of drug abuse, such as the increase of criminal activity, the spreading of diseases, both by dangerous behaviors, like the needle sharing, and by sexual contact as sexual favors, or promiscuity.
Special attention is given to heroine as being plausible as the most harmful for society, not only because of its relation with the problems discussed earlier, but also because of, within the disease spreading one, being especially severe in terms of potential needle sharing situations that many times infect users with HIV, ...