i found this while digging around the net and maybe some of you would like to read up on it .it's from the Johns Hopkins Arthritis Center
http://www.hopkins-arthritis.som.jhmi.edu/rheumatoid/tnf.htm l
thanks for the link, a bit technical, but interesting.
[QUOTE=crunchy]thanks for the link, a bit technical, but interesting.[/QUOTE]
yea it is sort of hard core but it's worth reading