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.
15 Migraine Triggers: What Causes A Migraine? For millions of people who get regular migraines, pain and discomfort in an unfortunately regular occurrence. Migraines are a type of headache, but they differ in many ways. Migraines start with vasodilation, which is the enlargement of the blood vessels in the brain. This causes, âthe release of chemicals from nerve fibers that coil around the large arteries of the brain.â This physical effect cannot explain all the extreme symptoms and scientists think itâs a more complex process.