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Headache:- What is the main cause of a headache? Headache pain results from signals interacting among your brain, blood vessels and surrounding nerves. During a headache, multiple mechanisms activate specific nerves that affect muscles and blood vessels. These nerves send pain signals to your brain, causing a headache. Headaches are a common health problem that most people experience at some time. Factors that lead to headaches may be: • emotional, such as stress, depression, or anxiety • medical, such as migraine or high blood pressure • physical, such as an injury • environmental, such as the weather Types of headaches:- 1. Tension Headaches 2. Migraine 3. Vertigo 4. Cluster Headaches 5. Medication Headaches 6. Sinus Headaches

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