Presents a letter to the editor commenting on an article appearing in the May 2004 issue of the medical journal "Epilepsia" regarding the role of the neuronal nicotinic acetylcholine receptor alpha4 subunit in febrile convulsions and genetic susceptibility. Molecular basis of febrile convulsions; Analysis of the significant association between the alpha4 subunit and febrile convulsions; Peer review of the article.