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  1. WebMD is a trusted source of health and medical information, with expert reviews, community support, and educational services. Find a doctor near you or browse health news.

    • Symptoms
    • Epidemiology
    • Causes

    A migraine is a powerful headache that often happen with nausea, vomiting, and sensitivity to light. They can last from 4 hours to 3 days, and sometimes longer.

    The American Migraine Foundation estimates that more than 36 million Americans get them, women 3 times more often than men. Most people start having migraine headaches between ages 10 and 40. However, many women find that their migraines improve or disappear after age 50. They generally last between 4 and 72 hours.

    Migraine headaches are a symptom of an overall condition known as migraine. Doctors dont know the exact cause of migraine headaches, although they seem to be related to changes in the brain as well as to genes that run in families. You can even inherit the triggers that give you migraine headaches, like fatigue, bright lights, weather changes, and ...

  2. 2015年1月16日 · Get the nutrition lowdown on all your meals and everything in between. Find out the calories, carbs, fat, fiber, and more in over 37,000 foods and drinks. Whether you're eating out ...

  3. 2023年8月3日 · At a certain point, as your blood cells decrease, symptoms often develop. Depending on the cause of the anemia, symptoms may include: Dizziness, lightheadness, or feeling like you are about to ...

  4. 2023年11月7日 · In your brain, this causes a stroke; in your heart, a heart attack. The process of atherosclerosis begins with: Fatty streak. A yellow strip lining the walls of major arteries, fatty streak has ...

  5. 2023年3月5日 · To minimize exposure and infection: Wash your hands often with soap and water for at least 20 seconds. Avoid raw or undercooked oysters . Thoroughly wash raw fruits and vegetables. Norovirus is a ...

  6. 2022年8月31日 · The person may also suffer physical symptoms, such as increased blood pressure and heart rate, rapid breathing, muscle tension, nausea, and diarrhea. Negative cognitions and mood: This refers to ...