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The XX Lab

Sarah
Evolutionary Psychology
Hormones
Hormonal Birth Control
Menopause
Menstrual Cycle
Happiness
Women
Female Sexuality
Friendship
Voice Cues
Lung Cancer
Online Dating
Female Friendship
Gabby Reece
Relationships
Self-Improvement
Orgasm
Political Attitudes
Dating and Relationships
Wellness Industry

Welcome to The XX Lab, where I talk with scientists and top-performing women to give you insights that you can use in everyday life.

This is not another health podcast telling women to optimize endlessly or chase extreme longevity. It’s a science+life podcast for women who want to feel better now—not just live longer later.

PublishesWeeklyEpisodes18Founded4 months ago
Number of ListenersCategories
Self-ImprovementEducationHealth & FitnessMental Health

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Latest Episodes

Your WHOOP recovery score dips, you slept fine, you did everything right, so why does the number look worse? What if that "bad" reading is your body working exactly as it should?

In this episode of The XX Lab, Dr. Sarah Hill sits down with Dr. Krist... more

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You did everything right, kale, running, annual blood tests, and still ended up with a mass in your lung. So why does the disease killing more young, healthy women than breast, ovarian, and colon cancer combined still carry the stigma of a smoker's d... more

Why does attraction change once you're in a long-term relationship? And could hormones, physical attractiveness, and even what happens after sex shape how satisfied couples remain over time?

On this episode of The XX Lab, Dr. Sarah Hill sits down wi... more

YouTube

What does your voice say before you even finish a sentence?

Long before someone processes your words, their brain has already begun decoding your voice. In a fraction of a second, people can make surprisingly accurate judgments about your age, biolo... more

YouTube

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Recent Guests

Dr. Kristen Holmes
Global Head of Human Performance and Principal Scientist at WHOOP
WHOOP
Episode: WHOOP Scientist: The #1 Habit for Better Sleep, Recovery & Long-Term Health | Dr. Kristen Holmes #17
Shira Boehler
Lung cancer survivor, author of One Scan Saved My Life, founder of Cancer Doesn't Care
Cancer Doesn't Care
Episode: Shira Boehler: The Cancer That Kills More Young Women Than Breast, Ovarian & Colon Combined | #16
Andrea Meltzer
Psychology researcher and professor at Florida State University
Florida State University
Episode: Why Does Attraction Change in Relationships? with Dr. Andrea Meltzer | #15
Greg Bryant
Dr. Greg Bryant, UCLA researcher focusing on speech, language, and social communication
University of California, Los Angeles
Episode: 7 Surprising Things Your Voice Reveals About You with Dr. Greg Bryant | #14
Khandis Blake
Senior lecturer in psychology at the University of Melbourne; research on status, attraction, and gender relations
University of Melbourne
Episode: Why Women Compete Differently Than Men with Dr. Khandis Blake | #13
Sarah Ann Macklin
Registered nutritionist, former international model, host of Live Well Be Well podcast, author of Healthy Shouldn't Be This Hard
Nutritionist and Author
Episode: The Wellness Industry Isn't Making Us Healthier with Sarah Ann Macklin | #12
Dr. William von Hippel
Evolutionary psychologist and bestselling author
University/academic affiliations mentioned in dialogue
Episode: Why Are We So Lonely Despite Being So Connected? with Dr. Bill von Hippel | #11
Cari Goetz
Sexual behavior researcher
Episode: Why Dating Apps Make Commitment Harder | #10 Dr. Cari Goetz
Dr. Tania Reynolds
Researcher studying female friendship and competition
University of Texas at Dallas
Episode: The Dirty Little Secret of Female Friendship — What Science Actually Says | #9 Dr. Tania Reynolds

Host

Dr. Sarah Hill
Host of The XX Lab

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Talking Points

Recent interactions between the hosts and their guests.

Why Does Attraction Change in Relationships? with Dr. Andrea Meltzer | #15
Q: What happens when women go on or off hormonal birth control regarding attraction?
On hormonal contraception, hormone levels are stabilized, which can reduce the pre-ovulatory estrogen surge and shift preferences toward warmth and cooperation, with potential implications for partner choice and satisfaction.
Why Does Attraction Change in Relationships? with Dr. Andrea Meltzer | #15
Q: How do women's hormones influence attraction and partner choice across the cycle?
The guest describes a body of work showing that estrogen fluctuations can modulate sexual desire and cue preferences for masculinity, with higher estrogen often linked to increased sexual desire and certain mate preferences, though effects are small and depend on measurement.
Why Does Attraction Change in Relationships? with Dr. Andrea Meltzer | #15
Q: What got you interested in studying relationships and attraction?
Dr. Meltzer explains she stumbled into relationship science while studying psychology and was drawn to how these dynamics affect mental and physical health across the lifespan.
7 Surprising Things Your Voice Reveals About You with Dr. Greg Bryant | #14
Q: Is there evidence that voice traits like pitch or loudness influence political or mate-related judgments?
Yes, lower pitch can be associated with perceived dominance and strength, and loudness contributes to perceptions of formidability; however, these are perceptual biases and may not reflect actual abilities, with effects varying by context and gender.
7 Surprising Things Your Voice Reveals About You with Dr. Greg Bryant | #14
Q: How do infant-directed speech and motherese differ across cultures, and what are their functions?
He describes the characteristic features of infant-directed speech—slower tempo, higher pitch, more pitch variation—and notes that babies consistently prefer this mode of speech, which helps regulate emotion and guide behavior across cultures.

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Frequently Asked Questions About The XX Lab

What is The XX Lab about and what kind of topics does it cover?

A science-and-life show focused on practical, research-backed insights for women navigating careers, relationships, and personal well-being. Recent episodes center on adult friendships, female sexuality, fertility beyond age, happiness and relationship dynamics, and building a resilient identity under life's pressures. Guests range from psychology and happiness researchers to medical experts and high-profile athletes, offering evidence-based guidance, real-life stories, and actionable tips that listeners can apply immediately. The program distinguishes itself by blending rigorous science with everyday applicability, and by highlighting women's lived experiences, empowerment, and mental health without chasing extreme optimization.

Noteworth... more

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Which podcasts are similar to The XX Lab?

These podcasts share a similar audience with The XX Lab:

1. Habits and Hustle
2. Creating Confidence with Heather Monahan
3. The School of Greatness
4. The Tamsen Show
5. The Mel Robbins Podcast

How many episodes of The XX Lab are there?

The XX Lab launched 4 months ago and published 18 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

How do I contact The XX Lab?

Our systems regularly scour the web to find email addresses and social media links for this podcast. We scanned the web and collated all of the contact information that we could find in our podcast database. But in the unlikely event that you can't find what you're looking for, our concierge service lets you request our research team to source better contacts for you.

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What guests have appeared on The XX Lab?

Recent guests on The XX Lab include:

1. Dr. Kristen Holmes
2. Shira Boehler
3. Andrea Meltzer
4. Greg Bryant
5. Khandis Blake
6. Sarah Ann Macklin
7. Dr. William von Hippel
8. Cari Goetz

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