“…Alcohol is the most consumed substance (78.3%), a value that are high but similar to those found by different authors in Spanish university students in recent years (López López, Santín Vilariño, Torrico Linares, & Rodríguez González, 2003;Mota, Alvarez-Gil, Corral, Rodríguez Holguín, Parada, Crego, Caamaño-Isorna, & Cadaveira, 2010;Vázquez, Blanco, & Torres Iglesias, 2006) and somewhat higher that those detected by the National Health Survey in 2006 (Instituto Likewise, the tobacco habit showed values close to those found by the National Health Survey for this age range and other authors' observations in university populations (Jiménez-Muro Franco et al, 2009;Martín, Molina, Fernández, Fernández, de Abajo, & Delgado, 2011) Our results regarding illegal drug use were somewhat lower than those found by Jiménez-Muro Franco et al (2009), who found percentages of over 50% in men and women, and by Font-Mayolas, Gras, & Planes, (2006), with rates of 75% for men and 50% for women, but were nevertheless worrying.…”