Originally Posted by psili

Maybe it's a subvert government attempt to further keep the population in disarray to better control the masses. A drugged nation (much like a divided one), should be easier to control and manipulate.

Then again, maybe US citizens are just getting too lazy to cope with life and would rather succumb to the easy (yet more dangerous at times) methods and pharmaceutical companies (plus a lot of others) are banking off that pathetic laziness.