France. While Spain was building its New World empire, France was also exploring the Americas. In 1524, Giovanni da Verrazano was commissioned to locate a northwest passage around North America to India. He was followed in 1534 by Jacques Cartier, who explored the St. Lawrence River as far as present-day Montreal. In 1562 Jean Ribault headed an expedition that explored the St. Johns River area in Florida.
The most common autonomic symptoms that a cluster headache sufferer may experience are pupil constriction, conjunctiva redness, a drooping eyelid, and a runny nose. In rarer cases, autonomic symptoms of blushing and sweating may appear on one side of the head as well.
Cluster headaches are often confused with other forms of headaches, especially migraines and sinus headaches. The Mayo Clinic lists common symptoms of cluster headaches as localized pain around one eye, pain that is prevalent on one side, restlessness, tearing of one or both eyes, a stuffy or runny nose on the affected side, swelling around the eye and a drooping eyelid.