August 30 is Frankenstein Day. The unofficial holiday celebrates the life and times of English author Mary Shelley who wrote one of the wordâs most read monster novel, Frankenstein, or The Modern Prometheus. Born on August 30, 1797, Shelley published Frankenstein in 1818 anonymously at the young age of 22.
There are three main causes for primary headaches: 1  Migraine-Migraine headaches can be caused by reduced blood flow to various areas of the cerebral cortex. 2  Symptoms of migraines include sensitivity to light and noise, nausea, vomiting and intense throbbing pain that is usually on one side of the head.
1 Primary headaches are caused by problems with or overactivity from pain-sensitive structures in the head. 2  The most common form of primary headache is the tension-type headache.