What is Headache? Headache is a pain in the head or neck, typically on one side. Headaches are usually caused by stress, hunger, lack of sleep, dehydration, or sinus problems. The pain in the head is a neurological symptom that…
What is Headache? Headache is a pain in the head or neck, typically on one side. Headaches are usually caused by stress, hunger, lack of sleep, dehydration, or sinus problems. The pain in the head is a neurological symptom that…