There really isn't much to say other than reading the first hand accounts from the sufferers of Iku Iku Byo was rather funny. I'm sure it gets old really quick if you have it though.
http://mdn.mainichi-msn.co.jp/waiwai/news/20061115p2g00m0dm040000c.html
http://mdn.mainichi-msn.co.jp/waiwai/news/20061115p2g00m0dm040000c.html