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.
Keeping a journal of known triggersâsuch as certain foods, sounds, or bright lightsâmay be beneficial in avoiding future migraine attacks. Itâs also crucial to never overuse or abuse any prescription treatment for migraine. Misuse of medication can lead to increased migraine attacks and chronic migraine symptoms.
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.