There are seventeen civil townships in Logan County. 1  Of these, none are urban townships, and no municipalities have been formed from former townships: 2  Bloomfield Township. 3  Bokes Creek Township. 4  Harrison Township. 5  Jefferson Township. 6  Lake Township.
10 Migraine Triggers. It may not be surprising that skimping on shut-eye can cause a migraine -- but so can binging on sleep on your days off. The migraine brain likes things to be as normal and reliable and routine as possible, Buse says.
Researchers have identified possible causes, but they donât have a definitive explanation. Potential theories include: An underlying central nervous disorder may set off a migraine episode when triggered. Irregularities in the brainâs blood vessel system, or vascular system, may cause migraines. A genetic predisposition may cause migraines Abnormalities of brain chemicals and nerve pathways may cause migraine episodes.