Some of the most influential writers in history were besieged by their migraine conditions even as they penned their masterpieces. We are talking about Adeline Virginia Stephen Woolf, Friedrich Wilhelm Nietzsche, Miguel de Cervantes Saavedra, and Charles Lutwidge Dodgson, better known as Lewis Carroll. To a certain extent, the migraines suffered by these notable authors had a profound effect on their literary canon, which in turn contributed to the betterment of society through entertainment,...