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1. www.webmd.comWebMD - Better information. Better health.

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   The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award ...

2. www.webmd.com › vitamins › aiPHOSPHATIDYLSERINE: Overview, Uses, Side Effects, ...

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   When taken by mouth: Phosphatidylserine is possibly safe when used for up to 3 months. Phosphatidylserine can cause side effects such as insomnia and stomach upset, especially at doses over 300 mg ...

3. www.webmd.com › migraines-headaches › migraines-headachesMigraine: Symptoms, Causes, and Treatment - WebMD

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   • Symptoms
   • Epidemiology
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   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.

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   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.

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   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 ...

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4. www.webmd.com › sex › birth-controlPlan B (Morning-After Pill): Effectiveness and Side Effects

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   2023年3月12日 · It contains the hormone levonorgestrel. It’s also called the morning-after pill. But you don't have to wait until the morning after sex to take it. In fact, levonorgestrel is more effective the ...

5. www.webmd.com › lung › what-is-aspirationAspiration: Symptoms, Causes, Diagnosis, and Complications - ...

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   2023年12月3日 · Aspiration is when something enters your airway or lungs. It can also happen when something goes back into your throat from your stomach. Learn more about the symptoms, causes, risk factors ...

6. www.webmd.com › a-to-z-guidesAll Health Topics - WebMD

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   Adenosine Deaminase Severe Combined Immunodeficiency (ADA-SCID) ADHD in Children. Adult Vaccines. Aganglionic Megacolon. Agenesis of Commissura Magna Cerebri. Agenesis of Corpus Callosum. Age ...

7. www.webmd.com › digestive-disorders › h-pylori-helicobacter-pyloriH. pylori Infection: Symptoms, Causes, and Treatment - WebMD

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   2023年9月27日 · Pale skin. Vomit that is bloody, black, or looks like coffee grounds. Serious, sharp stomach pain. An H. pylori infection is also a risk factor for stomach cancer, which has few symptoms at first ...