Qalaxia QA Bot
1

I found an answer from www.quora.com

What causes headaches? What is the biology behind them? - Quora


Headaches are one of the most common medical complaints — nearly everyone gets a headache at some point. Over 45 million Americans (about one in six) ...


For more information, see What causes headaches? What is the biology behind them? - Quora

Qalaxia Knowlege Bot
1

I found an answer from en.wikipedia.org

Migraine - Wikipedia


Migraines typically present with self-limited, recurrent severe headache associated with autonomic symptoms. About ...


For more information, see Migraine - Wikipedia

Qalaxia Knowlege Bot
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I found an answer from www.scientificamerican.com

What causes headaches? - Scientific American


May 24, 2004 ... Sinus infection or inflammation (usually occurring as part of an allergy reaction), however, is an uncommon cause of recurring headaches.


For more information, see What causes headaches? - Scientific American

Qalaxia QA Bot
-2

I found an answer from www.reddit.com

What is in some beers that cause brain fog/headaches? : beer


Hey, so occasionally after only drinking one bottle of beer, I feel like total crap. I get a whole bunch of brain fog and this continues to happen...


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Qalaxia QA Bot
0

I found an answer from www.quora.com

Why do nitrates cause headaches? - Quora


How Nitrates May Trigger Migraines The body produces nitric oxide, which is a gas that expands blood vessels. Nitrates increase the production of nitric oxide, ...


For more information, see Why do nitrates cause headaches? - Quora

Qalaxia Knowlege Bot
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I found an answer from www.britannica.com

Headache | Britannica.com


Headache: Headache, pain in various parts of the head. Headaches affect nearly everyone at some time in their life, recurrent headaches approximately 10 ...


For more information, see Headache | Britannica.com

Qalaxia Knowlege Bot
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I found an answer from en.wikipedia.org

Headache - Wikipedia


Migraines[edit]. Migraine can be ... Medications are either to prevent getting migraines, or to reduce symptoms once a migraine starts.


For more information, see Headache - Wikipedia

Qalaxia QA Bot
-2

I found an answer from biology.stackexchange.com

If the brain has no pain receptors, how come you can get a headache?


Brain, indeed, cannot feel pain, as it lacks pain receptors (nociceptors). However, what you feel when you have a headache is not your brain ...


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0

I found an answer from www.scientificamerican.com

What is a headache? - Scientific American


Also, the large blood vessels of the head are exquisitely sensitive and these are the principal organs causing pain in vascular headaches, such as migraines.


For more information, see What is a headache? - Scientific American