“…These beneficial effects sometimes lead individuals to start to consume a given substance (La Pera et al, 2008), but they are short-lived. An increase in the dose or time of consumption leads to problems in sexual functioning (Aguilar De Arcos et al, 2008;Avila Escribano, Pérez Madruga, Olazabal Ulacia, & López Fidalgo, 2004;Bang-Ping, 2008, 2009Johnson, Phelps, & Cottler, 2004;Peugh & Belenko, 2001;Rosen, 1991;Smith, 2007).…”