What kind of meds? Meds are like illegal drugs if you ask me... you should take a break from them every now and then, or risk total catastrophe.
Shit like this freaks me out...
http://www.socialanxietysupport.com/forum/f30/wellbutrin-is-killing-my-intelligence-memory-1188130/
Remember, our immune systems have had milleniums to evolve into the perfect devices that carry us through savage environments. People have only been developing medicine for a few hundred years, give or take a few thousand...
In other words, drugs can help turn a situation around, but dependency on them can really fuck you up.