What are best natural remedies for headaches?

Not a Simple Answer. There is not really a good answer, because it depends upon the cause. For example, dehydration headaches improve with hydration/fluids. Caused by low blood suger-food.Eye strain need vision correction. Simple ha may respond to acetominophen or ibuprofen. A quiet, dark room may help. Cool compresses in some. Herbal cures need proof and safety confirmation.