References:

1. Headache Pain, 2014. https://newsinhealth.nih.gov/2014/03/headache-pain
2. Headache, 2022. https://www.seattlechildrens.org/conditions/a-z/headache/
3. Menstrual Migraines (Hormone Headaches, 2021.
   https://my.clevelandclinic.org/health/diseases/8260-menstrual- migraines-hormone-headaches#:~: text=Migraines%20 (Hormone%20Headaches)-, Menstrual% 20Migraines%20(Hormone%20Headaches), %2C%20fatigue% 2C%20dizziness%20and%20more.
4. Symptoms Muscle Pain, 2023. https://www.mayoclinic.org/symptoms/muscle-pain/basics/causes/sym-20050866.
5. Why your whole body aches when you're sick (and what you can do about it), 2022. https://www.uclahealth.org/news/why-your-whole-body-aches-when-youre-sick-and-what-you-can-do-about-it
6. Pain Control After Surgery, 2020.
   https://my.clevelandclinic.org/health/articles/11307-pain-control-after-surgery