What do Serena Williams, Ben Affleck, Janet Jackson, and Kareem Abdul-Jabbar have in common? They all reportedly suffer from migraine headaches. Migraines affect about 12 percent of American adults, according to the National Institute of Neurological Disorders and Stroke. Preventing and treating migraines can be painful, frustrating, and expensive. A miracle cure for one person may have no effect on someone else, so it's usually necessary to try out different methods to find out what works. The costs quickly add up for doctors' visits, prescription drugs, and pricey experimental treatments such as electrode implants or acupuncture. Here a few cheap remedies that have been shown to prevent migraines or relieve pain from an attack. Always consult your physician before starting any new course of treatment.