A designer drug is a structural or functional analog of a controlled substance that has been designed to mimic the pharmacological effects of the original drug, while avoiding classification as illegal and/or detection in standard drug tests. Because the efficacy and safety of these substances has not been thoroughly evaluated in animal and human trials, the use of these drugs may result in unexpected side effects.  In an electronic party held recently in Buenos Aires killed 5 young by consuming these substances. (See in Spanish bulletin). That is why the logo of this month. There are many others news in this number. Until next number. JCP