perhaps this man is selling books?
perhaps he has some alternative reason to help heal the PD and MS patients?
All I know is that the GDNF was working -and the BS research from Amgen
does not reaffirm my belief in finite minds... or for that matter the theives at the FDA or the stock market of investors that make money on addictive drugs, caffeine drinks, or adulterated sugars...
http://www.jneuropath.com/pt/re/jnen/issuelist.htm