So, for the last 2 months or so I have had this recurring head pain. it started off as a burning sensation towards the back of my head, near my neck. It's gradually moved to other parts of my head, including now with an odd, sharp needlelike pain at the top of my head near the middle, sometimes near that area along with tension in my neck. I've been getting migraines more frequently and have had some gastrointestinal issues too (I'm not sure if this is related or not.) I'm a very anxious and stressed person, and it's affected me before with chest pain. But after reading some information online, I've found everything from tension headaches to brain tumors to worms! I'm hoping this is just me overworrying, but its been going on for a while. Is this serious, and am I just scaring myself?