Looks like intranasal delivery of Stem Cells works great!
The promising findings, reported in Rejuvenation Research, a peer-reviewed journal published by Mary Ann Liebert, Inc. highlight the potential for a noninvasive approach to cell therapy delivery in Parkinson disease-a safer and effective alternative to surgical transplantation of stem cells.
www.sciencedaily.com/releases/2011/02/110208163504.htm