Not all headaches are created equal — and some are worth paying closer attention to. New York Post Wellness Editor Carly Stern catches up with Dr. Shae Datta, Division Director of Concussions at NYU Langone Hospital–Long Island, to break down which headache symptoms should raise a red flag, which may be more routine and when it’s time to see a doctor. Plus, how many headaches are too many? Here’s what an expert wants you to know.