Video summary
The video explores the controversial theory that postpartum depression is not an evolutionary adaptation but rather a result of a significant mismatch between human biology and modern cultural structures. Humans evolved as cooperative breeders, relying on large communities and extended kin networks to share caregiving responsibilities, yet contemporary society isolates new parents within nuclear families. This shift places immense pressure on individual mothers and fathers to perform roles that were historically distributed among dozens of people, leading to feelings of isolation and exhaustion. Furthermore, the video highlights how late capitalist incentives prioritize rapid return to work over recovery, while the lack of universal paid maternity or paternity leave in many countries forces parents back into demanding environments before they are physically or emotionally ready, creating an uphill battle for mental health.
A key argument presented is the stark contrast between hunter-gatherer societies and modern industrialized life regarding social integration. In ancestral communities, becoming a mother often increased a woman's social standing and integration, allowing her to continue working and contributing economically even while caring for an infant. Conversely, modern public spaces and workplace cultures frequently exclude infants, effectively removing new mothers from community life and reinforcing a sharp divide between work and home that is a legacy of the Industrial Revolution. The video suggests that this lack of social embedding, combined with socioeconomic factors like financial stress and sleep deprivation, creates a perfect storm for depression. Research indicates that depressive symptoms are highly correlated between partners, meaning that if one parent struggles, the other is likely to suffer as well, making the support network a critical buffer against mental health decline.
The discussion concludes with actionable advice rooted in rebuilding these lost social supports and challenging harmful myths about parenting capabilities. Experts emphasize that fathers possess the same innate capacity for empathetic caregiving as mothers, dispelling the notion that only women are "born" knowing how to care for babies; instead, parenting is a skill built through motivation and practice. Effective interventions include creating detailed social support maps before a baby arrives to identify who can help with specific tasks, encouraging parents to be assertive in asking for assistance, and leveraging policies like expanded paternity leave which have been shown to reduce anxiety medication use among new mothers. Ultimately, the video posits that addressing postpartum depression requires shifting away from the expectation of solitary resilience toward a model where families are embedded in robust, supportive networks that accommodate the biological and emotional realities of raising children.
Read the full video transcript
Is there an adaptive explanation for
postpartum depression in women?
>> So, I actually think probably not. I
think it's more of a sign of an
evolutionary cultural mismatch, which is
this
going back to this idea that we as
humans are cooperative breeders and we
evolved to have a lot of support around
caregiving. So, we evolved to trade off
care, to share care with people in the
community, with our kin. I think we now
place a lot of pressure on individual
parents and on the individual nuclear
family to serve the roles that
dozens of people used to serve when
there was a lot more proximity and
people helped each other out a lot more
with care. So, we isolate new parents,
we don't value their work. We've already
talked about, you know, the incentives
of a very late capitalist society where
we want people to be ambitious drivers
and we want them to move on quickly from
this interruption of births.
>> Mhm.
>> And and so, we're not providing the
support, you know, in this country we
don't have universal paid maternity
leave or paternity leave. So,
a lot of women go back to work probably
before they feel like they're ready. A
lot of men do, too. We don't give
inadequate or we don't give adequate
time and protection.
>> Right.
>> And we, you know, we create an uphill
battle where parents feel isolated and
drained.
>> So,
is there any evidence of postpartum in
hunter-gatherer societies?
>> Not that I know of, but I'm also not
sure how well it's been tracked or
measured.
>> Yep. Okay.
>> But I think it's
>> I'm trying to see if this mismatch
hypothesis
>> Yeah.
>> kind of it can just be split tested
across
like civilizations.
>> Yeah. I mean, I I think it's a really,
really interesting question and
depression in general, you know, hasn't
been observed as much in those
populations.
So, it's a really interesting question,
but, you know, in hunter-gatherer
societies, when a woman becomes a
mother, she becomes if anything more
socially integrated into the life of the
community.
In contemporary society, when a woman
becomes a mother, she often becomes more
isolated. We have all of these public
spaces that, you know, don't bring the
baby to
a wedding, don't bring the baby to a
restaurant, don't bring the baby to a
cafe.
>> People don't want to Yeah, to work,
right? Like a hunter-gatherer mom can
actually still go to work. She can still
be wearing the baby. She can function
economically.
>> and berries.
>> Yeah.
>> Had a good day in the office.
>> She can occupy a a high-status social
role.
>> Yeah.
>> And and she can be, you know, fully
integrated into the community.
>> So, the the the this the What is
rewarded socioeconomically at the moment
specifically for women uh is not
baby
accommodating.
>> We have this kind of sharp divide
between work and home, which I think is
a legacy of the Industrial Revolution,
right? We Before that, work generally
happened at home. Dads were around a
lot. Moms were around a lot. Kids were
raised as workers. They were
contributing to the family business, the
family economy.
>> Jared, if you brought your kid in here
and they were able to write good copy If
your
8-month-old was able to write good
YouTube copy, I'd be down. I would be I
would be absolutely fine. I mean, you're
allowed to come as long as you
contribute, but
>> Yeah.
>> Yeah, he's trying.
>> Yeah. Good way to hone those skills.
>> What I'm interested What do you think's
the best advice for dads like trying to
be
great father, great husband, still take
care of themselves whilst supporting a
mum who's going through postpartum?
>> Give yourself grace. Don't expect that
it will be easy. Forewarned is
forearmed. So, you know, know that this
is going to rock your world and it's
going to be transformative, but it's
supposed to be transformative. And I
would say steer away from the myth that
dads don't have any innate wiring to
know how to take care of a baby. I think
we have this idea that moms are just
born knowing what to do when a baby
arrives, and men are going to be
helpless and useless.
>> help moms postpartum?
>> I don't think so, because I will say
when I had my kids, I was like, "What am
I supposed to do with these people?" You
know, you have to learn, and you figure
it out, and it's about your motivation
and your willingness to practice. More
than it's about just, you know, having
some inborn reflex that's telling you
how to care for a child.
>> Mhm.
>> And dads have that capacity to care and
to build those empathetic, responsive
caregiving brains.
>> I've got two potential hypotheses in my
mind. Uh
first one is like
postpartum contagion.
>> Mhm.
>> Uh I have to assume that if the mom is
dealing with it, it's more likely that
the dad's going to deal with it.
>> Mhm.
>> But,
I wonder if level of
paternal child caring
decreases the likelihood of
uh female postpartum depression.
>> Yeah.
>> Uh do we know
do we know what
levels of
household setup can increase or decrease
the likelihood?
>> So, there is some research on this, and
it corroborates both of your hunches.
>> Dude, don't test me. Don't test me on
this
>> So, you can keep the the bro science hat
off. Yeah, you don't need it.
>> Yeah, good.
>> Um good instincts, but there's research
that depressive symptoms are correlated
within moms and dads. So, if mom is more
depressed, dad's more likely to be
depressed. If dad's depressed, mom's
really to be depressed. And if one
partner is well and can support the
other partner, that's also a huge
resilience factor, that's a buffer.
So, they track together.
>> Yep.
>> And there's also evidence that when dads
are more involved, moms benefit. So, one
really cool study tested a paternity
leave reform program in Sweden where
they were expanding flexibility of
paternity leave for dads. They found
that if you look at babies born right
before and right after that policy
intervention, you actually see lower
rates of anti-anxiety medication
prescriptions were filled less often by
the new moms. So, if dads have more
access to leave, moms actually show this
population-level mental health benefit.
And my lab has done similar work and we
found that if you look at prenatal to
postpartum trajectories of depressive
symptoms, when dads get access to paid
paternity leave, moms are less likely to
get depressed after the birth of a baby.
>> So, it seems like
the postpartum depression may be for
dads as well as moms,
one of the key drivers is social
integration, level of social
integration. Does that mean that if
you're struggling with postpartum
depression, you should try and like turn
on the the socialization taps a little
bit, do mommy daddy daycare meet up
things? Yeah. That seems like an an
intervention that might work.
>> Exactly, and that goes back to the
evolutionary mismatch idea, right? We're
supposed to be embedded in social
networks that help us care for our kids.
We're not supposed to
>> Wait, is this
>> do it alone.
>> Is postpartum basically like
this is a lot and I'm overwhelmed?
>> Yeah. I mean, that's part of it.
>> Right.
>> Yeah.
Compounded with sleep loss, identity
challenges, relationship
strain,
money and life worries, and your brain
and hormones getting totally, you know,
disrupted.
>> Does that mean
Does that mean that there is a
socioeconomic predictor for postpartum
depression? Because people who are more
wealthy are more likely to have child
care, which means that they have more
assistance, less pressure, and better
sleep.
>> Yes.
>> Dude.
>> Yeah.
>> Yes.
>> So, there is a socioeconomic link
between postpartum depression risk. And
part of it is, you know, there are moms
in the US who go back to work less than
2 weeks after the birth of a baby. So,
if you're a shift worker, if you're a
gig worker, if you're at Walmart, you
are probably not getting time to rest,
recover, and bond. And that's really
stressful and really taxing to your
ability to adjust to parenthood. So,
that's part of it. It's also like what
are the community resources that are
available to you? Can you afford support
and child care? But, some of the best
interventions for postpartum depression
are around shoring up your social
support networks. So, helping get people
to be more proactive about asking for
help. Helping to invest in your
relationships. And you can even do
preventive intervention before a baby's
born to say, and we actually do this. Um
my lab leads psychoeducational workshops
with a big um hospital system that
serves low-income new parents. We say we
have them make a social support map. So,
we say who are you going to be able to
ask for help in different domains after
the baby comes? You know, maybe your
older brother isn't going to be that
helpful when it comes to taking the baby
for a nap, but he can help with your
lawn care. You know, so how do you plug
different people in your life into
different roles to make sure that your
social support needs are are met? And we
try to coach people to be more assertive
for about asking for help cuz I think
we're conditioned in our society to be
very reliant and yes.
>> self-reliance,
yeah.
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