There is DNA testing for CMT. There are many, many types of it. Also, family history is helpful. EMG/NCV testing can be helpful as well to tell if you have either CMT1 or CMT2.

You can review "PN Tips, Resources, Supplements and other Treatments" at the top of this forum. Just go to CMT which is down around four subjects now. There is lots of information on there concerning CMT.

Hope you get an answer. There is no cure/treatment for any type of CMT at the present time. There is much research going on concerning it.

http://www.cmtausa.org/index.php?opt...d=68&Itemid=42

Nitrous oxide is listed. Too much Vitamin B6 isn't good either.