Heaches have many triggers. The best way to relieve your pain is to pinpoint the source. More than 45 million Americans suffer from headaches regularly. The best way to relieve your pain is to pinpoint the source, but not every headache should be solved by popping a pain reliever. Headaches have many causes, which require a multitude of solutions. Award winning psychology, health and fitness journalist, Ginny Graves, explains the triggers of headaches - and solutions to prevent future episodes.