Spider monkeys are found in many aspects of the Mesoamerican cultures. In the Aztec 260-day calendar, Spider Monkey (Nahua Ozomatli) serves as the name for the 11th day. In the corresponding Maya calendar, Howler Monkey (Batz) is substituted for Spider Monkey.
A migraine is a throbbing painful headache, usually on one side of the head, that is often initiated or triggered by specific compounds or situations (environment, stress, hormones, and many others). They occur more often in women (75%, approximately) and may affect a person's ability to do common tasks.
A migraine is a powerful headache that often happen with nausea, vomiting, and sensitivity to light. They can last from 4 hours to 3 days, and sometimes longer. The American Migraine Foundation estimates that more than 36 million Americans get them, women 3 times more often than men. What Causes Migraine Headaches?