We will devote this section to substances, a heterogeneous group of substances that have in common only a varying degree of social stigma. Much of the information available on substances has an exaggerated, paternalistic and moralizing approach. But for people who use them, or intend to use them, it is essential to have realistic and objective information about their effects. Only in this way is it possible to make free and responsible decisions, focused on maximizing pleasure and reducing risks. A well-informed user is much more likely to achieve responsible, non-problematic use;
