Can 3 months of tension headache, muscle twitching, and a week of lightheadedness be triggered by anxiety only? blood tests and mri scans normal

Physical anxiety: Anxiety can present in a wide variety of physical ways, including muscle twitching, lightheadedness, & headaches.It can raise blood pressure, cause tingling of fingers/toes, irritable bowel syndrome, insomnia, and so on. If the dangerous and the likely both have been ruled out, anxiety may be the suspected cause. If symptoms change, the degree of suspicion for anxiety vs something else may change