Georgiy, uproshu zadachu. Luchshey illyustraysiey budet grafa Dr. David Nutt (google). Ona opublika vana v medicinskom zhurnale "Lancet" I v pare drugih yvazhaemih editions. Grafa podrazdelyaet vse po 3 parametram. Uroven privikaniya, Uroven vreda dlya potrebitelya ,I Uroven vreda dlya obshestva. Tak vot po urovnyu vreda dlya obshestva shto mi tut v printsipe obsuzhdali - alkogol -.numero uno . Geroin - n1 -po privikaniyu. Ne vizhu smisla prodolzhat etot likbez,poka vi hotya bi vzglyanite v storonu azbuki.

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Let me rock in peace !!!