Logan County is a county located in the state of Ohio, United States. As of 2000, the population was 46,005. The county seat is Bellefontaine. 6 The county is named for Benjamin Logan, who fought Native Americans in the area.
Stress is the most common headache trigger, affecting most people at some point in their lives. Physical or emotional stress, including major life events, can bring on headaches and sometimes migraines.
Central inhibition of PDE-11 can cause cerebral vasodilatation and migraine attacks. Four cases of cluster headaches triggered by sildenafil were reported between 1999 and 2006.â Common triggers of cluster headache include exogenous histamine, vasodilators (e.g., alcohol, nitroglycerin), and cigarette smoking.