Brain Injury Association of America http://www.biausa.org/Pages/home.html
includes good list of links to visit too

NIH Medline Plus pages on "head and brain injuries"
http://www.nlm.nih.gov/medlineplus/h...ninjuries.html

TBI support
http://www.tbihome.org/index.html

TBI.org
http://www.tbi.org/