One of my web readers pointed me to http://www.casein.com.  If you
are touch-sensitive to casein, it's a must-read.  Or if your kids are
still putting stuff in their mouths.

I hope you find it useful.
--Beth Kevles
  [log in to unmask]
  http://web.mit.edu/kevles/www/nomilk.html -- a page for the milk-allergic