Alot of folks get attracted to Meth because at first it heightens sexuality allowing one to go for hors and hours without stopping. For why its so prevalent amongst the working class folk I suggest reading "The red Neck Manifesto."
Jim Davis Ozark Bioregion, USA
My latest books:
"The Shia Imami Ismaili Muslims: A Short Introduciton" http://www.lulu.com/content/114194
"Pure Land Now!" http://www.lulu.com/content/116320