Today I'm synthesizing information on the evolution of human birth. It is a non expert episode, just stuff I nerd out on.

We talk about the theories of:

- the evolution of the brain 🧠

- producing milk

- placentas

- why is the human birth so different from other mammals that birth babies that are ready to walk and birth without assistance.

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Additional notes after the episode: Prolactin's role in males is not well known. Prolactin is involved in metabolism, regulation of the immune system, and pancreatic development. 

Resources:

Milk production: https://pubmed.ncbi.nlm.nih.gov/22436214/

Placenta and a virus:

https://whyy.org/segments/the-placenta-went-viral-and-protomammals-were-born/#:~:text=According%20to%20Chuong%2C%20%E2%80%9CThe%20placenta,you%20had%20to%20lay%20eggs.

https://news.yale.edu/2011/10/11/battle-between-placenta-and-uterus-could-help-explain-preeclampsia

Walking on 2 feet:

https://pmc.ncbi.nlm.nih.gov/articles/PMC10038020/

https://askananthropologist.asu.edu/stories/changing-climates-and-changing-faces

The evolution of human birth by karen rosenburg and wendy trevathan 2001 Sc. Am.

Book: Eve by Cat Bohannon