I learned of IVIG on these boards as a treatment for Natural Killer Cells, etc. Just saw today that it may be helpful for Alzheimer's.
http://www.usatoday.com/news/health/story/2012-07-16/alzheimers-treatment-gammagard/56270084/1?fb_ref=.UAYDQZbIuEc.like&fb_source=timeline
xoxo, Tracy