Flow book cover

Flow by Elissa Stein and Susan Kim Summary

Flow
Elissa Stein and Susan Kim
History
Society
Health
Overview
Key Takeaways
Author
FAQs

Overview of Flow

"Flow" breaks menstruation's taboo with humor and historical depth. Hailed as "a movement" by January Magazine, this groundbreaking cultural exploration reveals surprising - sometimes horrifying - feminine hygiene practices throughout history. What shocking attitudes toward periods still influence modern society?

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Key takeaways

1

The Crimson Wave: Breaking Society's Greatest Taboo

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Imagine a biological process affecting half the world's population-3.5 billion women experiencing it monthly for forty years-yet so stigmatized we avoid discussing it openly. While we've been busy tiptoeing around the subject, menstruation has been medicalized, commercialized, and increasingly manipulated. Modern women experience approximately 500 periods in a lifetime compared to our great-grandmothers' 160, thanks to better nutrition, fewer pregnancies, and longer lifespans. Yet despite this biological reality, we still can't discuss bleeding in polite society. Why has such a fundamental aspect of human experience remained shrouded in shame? What happens when we finally break the silence surrounding the crimson wave that connects women across generations and cultures?

2

The Language of Shame: How We Talk (or Don't) About Periods

3

From Natural Process to Medical Condition

4

Ancient Fears, Modern Myths

5

PMS: Medical Reality or Cultural Construction?

6

The Marketing of Menstrual Shame

7

Reclaiming Our Bodies, Reclaiming Our Power

Explore Your Way of Learning
Flow isn't just a book — it's a masterclass in History. To help you absorb its lessons in the way that works best for you, we offer five unique learning modes. Whether you're a deep thinker, a fast learner, or a story lover, there's a mode designed to fit your style.

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Top 5 Insights from Flow in a Nutshell

Distill Flow into rapid-fire memory cues that highlight Pixar’s principles of candor, teamwork, and creative resilience.

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@Chloe, Solo founder, LA
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"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
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108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments
254
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17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
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"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

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"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

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"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

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"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

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"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
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star
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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
platform
comments
12
likes
108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments
254
likes
17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
star
star
star
star
star

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
platform
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96
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4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP
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"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
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"It is great for me to learn something from the book without reading it."

@OojasSalunke
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"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
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483

"Makes me feel smarter every time before going to work"

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