I don't think there's really much in way of scientific knowledge. There are a few small scale experiments but nothing replicated and tested to the extent that science is happy with. This also get pushed aside as it's believed to be BS, though I've had much success with it and other people who've tried it have so I don't think it can be ignored so readily.

When medication doesn't work and a "sugar pill" gives me more noticable results and energy work give me back what the medication took away I tend not to look to mainstream science for answers.

You might find these books usefull. The Field and a book by Valerie Hunt about auras.
http://www.reiki.org/Download/OschmanReprint2.pdf