Conclusion
Headaches are sharp pains in our head that could indicate many things. Primary headaches could be episodic or chronic. Episodic headaches happen occasionally but they could last several hours. Chronic headaches on the other hand occur almost every day, it could significantly alter the life of a patient.
References:
[1] https://www.who.int/news-room/q-a-detail/headache-disorders-how-common-are-headaches
[2] https://meridienresearch.net/pain-head-150-types-headaches/
[3] https://www.medicalnewstoday.com/articles/148373
[4] https://www.nhs.uk/conditions/migraine/symptoms/
[5] https://www.medicalnewstoday.com/articles/9276
[6] https://www.medicalnewstoday.com/articles/7624
[7] https://www.healthline.com/health/tension-headache
[8] https://www.healthline.com/health/cluster-headache-natural-treatment
[9] https://www.healthline.com/health/cluster-headache
[10] https://www.mayoclinic.org/diseases-conditions/chronic-daily-headaches/in-depth/headaches/art-20046729
[11] https://www.healthline.com/health/hormonal-headaches#TOC_TITLE_HDR_1
[12] https://www.medicalnewstoday.com/articles/181726
[13] https://www.healthline.com/health/migraine/what-to-eat-when-you-have-a-migraine
[14] https://www.healthline.com/health/yoga-for-migraines
[15] https://www.healthline.com/health/migraine/pressure-point-for-migraine
[16] https://americanmigrainefoundation.org/resource-library/sinus-headaches/
[17] https://www.nhs.uk/conditions/sinusitis-sinus-infection/
[18] https://www.webmd.com/a-to-z-guides/what-is-an-ent-ear-nose-throat-doctor
[19] https://www.healthline.com/health/high-blood-pressure-hypertension/headache
[20] https://www.healthline.com/health/migraine/exercise-induced-migraines
[21] https://www.healthline.com/health/concussion
[22] https://americanmigrainefoundation.org/resource-library/post-traumatic-headache/