http://articles.mercola.com/sites/articles/archive/2002/09/25/migraine-pain.aspxThe type of migraine studied is called FHM, or familial hemiplegic migraine. Several different genetic mutations can cause FHM; Along with a headache, this type of migraine causes temporary paralysis of the limbs on one side of the body. FHM is rare,enCommunityServer 2008.5 SP1 (Build: 31106.3070)