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Why are our eyes different colors?

Explanation on TikTok:

Hans Eiberg, Jesper Troelsen, Mette Nielsen, Annemette Mikkelsen, Jonas Mengel-From, Klaus W. Kjaer, Lars Hansen. Blue eye color in humans may be caused by a perfectly associated founder mutation in a regulatory element located within the HERC2 gene inhibiting OCA2 expression. Human Genetics, 2008; 123 (2): 177 DOI: 10.1007/s00439-007-0460-x

Scientific American. (2001). How does someone get different colored eyes? Retrieved August, 2020 form https://www.scientificamerican.com/article/how-does-someone-get-two/

How loneliness affects you?

Explanation on TikTok:

Why is your blood blue?

Explanation on TikTok:

Sources:

Live Science Staff. (2012). If blood is red, why are veins blue? Retrieved August, 2020 from https://www.livescience.com/32212-if-blood-is-red-why-are-veins-blue.html

(n.d.) Is blood blue? Debunking 10 Common Health Myths. Retrieved August, 2020 from https://www.healthline.com/health/is-blood-blue#can-isweat-out-toxins

Does shaving make hair grow thicker?

Preventative Health Podcast:

Explanation on TikTok:

Sources:

Gibson, Lawrence. (2019). Does shaving unwanted body hair make it grow back thicker and darker? Retrieved August, 2020 from https://www.mayoclinic.org/healthy-lifestyle/adult-health/expert-answers/hair-removal/faq-20058427#:~:text=No%20%E2%80%94%20shaving%20hair%20doesn't,or%20thicker%20%E2%80%94%20but%20it's%20not.

UAMS. (2019). Does shaving hair cause it to grow back faster, darker and coarser? Retrieved August, 2020 from https://uamshealth.com/medical-myths/does-shaving-hair-cause-it-to-grow-back-faster-darker-and-coarser/

Why does it hurt?

Preventative Health Podcast:

Explanation on TikTok:

Sources:

Amin, Shilpa. (2019). Everything you ever wanted to know about getting kicked in the balls. Retrieved August, 2020 from https://www.healthline.com/health/kicked-in-the-balls

Columbia. (2015). Kicked between his legs — Pain? Sterility? Retrieved August, 2020 from
goaskalice.columbia.edu/answered-questions/kicked-between-his-legs-%E2%80%94-pain-sterility

Urology Foundation. (n.d.). What is testicular trauma. Retrieved August, 2020 from
urologyhealth.org/urologic-conditions/testicular-trauma

Toxic shock syndrome from tampons?

Preventative Health Podcast:

Explanation on TikTok:

Sources:

Cleveland Clinic. (2018). Toxic Shock Syndrome: Prevention. Retrieved August, 2020 from https://my.clevelandclinic.org/health/diseases/15437-toxic-shock-syndrome/prevention

Mitchell, Libby. (2018). What you need to know about toxic shock syndrome? Retrieved August, 2020 from https://healthcare.utah.edu/healthfeed/postings/2018/07/tss.php

NHS. (2020). Toxic Shock Syndrome. August, 2020 from https://www.nhs.uk/conditions/toxic-shock-syndrome/

Why do I get sunburns?

Preventative Health Podcast:

Explanation on TikTok:

Sources:

Blackburn, Kellie. (2017). What happens when you get a sunburn? Retrieved August, 2020 from https://www.mdanderson.org/publications/focused-on-health/What-happens-to-your-skin-when-you-get-a-sunburn.h24Z1591413.html

What is lice?

Preventative Health Podcast:

Explanation on TikTok:

Sources:

Mayo Clinic Staff. (2020). Lice. Retrieved August, 2020 from https://www.mayoclinic.org/diseases-conditions/lice/symptoms-causes/syc-20374399

Do masks work?

Preventative Health Podcast:

Explanation on TikTok:

Sources:

Anfinrud, P et. al. (2020). Visualizing Speech-Generated Oral Fluid Droplets with Laser Light Scattering. Retrieved August, 2020 from https://www.nejm.org/doi/full/10.1056/NEJMc2007800

Bai, N. (2020). Still confused about masks? Here’s the Science Behind How Face Masks Prevent Coronavirus. Retrieved August, 2020 from https://www.ucsf.edu/news/2020/06/417906/still-confused-about-masks-heres-science-behind-how-face-masks-prevent

CDC. (2020). Consideration for wearing masks. Retrieved August, 2020 from https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/cloth-face-cover-guidance.html

Types of birth control?

Preventative Health Podcast:

Explanation on TikTok:

Sources:

Mayo Clinic Staff. (2020). Birth Control. Retrieved August, 2020 from https://www.mayoclinic.org/healthy-lifestyle/birth-control/in-depth/best-birth-control-pill/art-20044807

Shouldn't look directly at stars?

Preventative Health Podcast:

Explanation on TikTok:

Sources:

Mayo Clinic Staff. (2020). Retinal diseases. Retrieved August, 2020 from https://www.mayoclinic.org/diseases-conditions/retinal-diseases/symptoms-causes/syc-20355825

UCSB. (2005). How come when I look directly at my ""glow in the dark"" stars on my ceiling in my bedroom, I can not see them, but when I look to the side of them I can? Retrieved August, 2020 from http://scienceline.ucsb.edu/getkey.php?key=923#:~:text=Unfortunately%2C%20the%20fovea%20contains%20almost,eye's%20rods%20can%20see%20them.

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Our team consists of a dual MD/MPH (2022) and MD (2022) with an MS in Cell & Molecular Biology. We are trained and located in the United States.

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The opinions expressed are those of Medicine Explained and The Nuance Podcast team and do not necessarily express the views and opinions of their places of employment. Information provided here comes from public health information sources.  It is provided for education only and is not intended for the diagnosis or treatment of medical issues.  Any questions or information you transmit to this site are not protected by health care privacy rules.  Please see a licensed health care provider for information and help with medical problems.

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