Also see Migraines

• American Association for the Study of Headache (AASH)
  http://www.aash.org/
  • Headache FAQ sheet
    http://www.aash.org/faqs/Default.htm
• The American Council for Headache Education (1.800.255.2243)
  http://www.headaches.org
  One of their stated goals: “To promote research into potential headache causes and treatments. ”
  [Why not give them a call or drop them a line via snail if you feel that one of the
  easiest ways to avoid a headache is to avoid fragrant products — personal care and
  cleaning? It seems they’ve yet to learn chemical sensitivity is not “allergy” and that
  prevention is an ideal alternative. — barb]

  National Headache Foundation
  428 W. St. James Place, 2nd Floor
  Chicago, Illinois 60614-2750

  • National Headache Foundation
    Educational Resources – Headache – Frequently Asked Questions
    “The cause of migraine is believed to be chemical reactions in the brain.” How about all of the volatilizing petrochemical-derived fragrances you are forced to smell? — barb http://www.headaches.org/consumer/generalinfo/headachefaq.html
• HeadTalk
  http://www.headtalk.com/
• The premonitory symptoms (prodrome): a tertiary care study of 893 migraineurs.
  Kelman L.
  http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=15447695