Human beings are surrounded by diseases in every stage of life. Having headaches is one of the most common conditions that affect almost every individual from time to time. Though you might be able to relieve stress headache with a good sleep or herbal tea, dealing with persistent headache is quite challenging. Persistent headaches can be a sign that the body is going through persistent fatigue. However, it may also be a sign of a severe condition like a brain tumor that can be addressed by proper treatment. Today, we will discuss some possible reasons for persistent headaches.