What are tension headaches? Learn the anatomy and physiology of this type of primary headache.
Tension headaches are largely triggered by stress, which causes the muscles in the head, neck, and face to contract. Other tension pain triggers are physical, including poor posture, eye straining, and neck injuries. Tension headaches can be ocassional (episodic) or repeated (chronic.) Learn more about this type of headache's causes and risk factors.
