Posted by Bob Johnson (208.234.124.40) on July 27, 1999 at 12:18:07:
Interesting article at: www.cma.ca/cmaj/vol-159/issue-1/0047.htm
Look for Table 1 in body of the text an print out separately.
No magic bullets here but may help to avoid methods/treatments which don't work well.
But--look under "other measures" for positive comments on use of magnesium, riboflavin, and feverfew in prophylaxis.