I have terrible headaches and feel really sick and dizzy. however, after i eat the symptoms ease. why is this happening everyday?

Unusual: Usually, the opposite is true: The fed state causes headaches rather than relieving them. My guess is that the headaches are a secondary effect of some kind of endocrine or metabolic anomaly. Your question is only the beginning, not the end, of the diagnostic process. You'll have to see a live doctor in a brick-and-mortar office. HealthTap is not a substitute for that.