This episode is perhaps even more relevant now than when we first put it out, in February of 2020. That was just before the Covid pandemic radically reshaped our public lives and our personal lives. This episode is called “Is There Really a ‘Loneliness Epidemic’?” We’ll give you a few updates at the end of the episode.
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Stephen DUBNER: So Eric, when you read an article that says, “more than half of all Americans say they regularly experience x emotion” or, “only 12 percent of Americans feel such-and-such” — what is that experience like for you, as a sociologist?
Eric KLINENBERG: Right, so about half the time I think, “Wow, that’s pretty interesting.” And about half the time I’m pulling out my hair thinking, “No, don’t— don’t say that!”
Eric Klinenberg is a professor of sociology at New York University.
KLINENBERG: Unfortunately, what I find is that journalistic reporting will use survey data when it’s useful for the story and they kind of don’t care that much about whether the data underlying it is reliable.
And what’s wrong with survey data?
KLINENBERG: A lot of survey data is based on a sample that’s not really worth generalizing from. A lot of surveys ask questions that will work for a particular time and place but might not work very well after that, which means you can get a snapshot of a moment in time but not really a dynamic portrait of something over time.
Would you like an example of how survey data gets used in the media? Okay, here’s an example:
ABC Action News: A top doctor calls it a national health crisis. Not obesity, or heart disease —
CBS This Morning: A condition that is so common, you actually may not think of it as a mental health problem.
ABC Action News: Loneliness. That’s right, loneliness.
Vivek MURTHY: People who struggle with loneliness end up living shorter lives, and they also are at an increased risk for heart disease, depression, dementia, anxiety, and a host of other conditions.
And that is the “top doctor” who rang the alarm on what he calls “the loneliness epidemic.”
MURTHY: My name is Vivek Murthy, and I was trained as an internal-medicine physician and recently served as surgeon general of the United States.
When we interviewed him for this episode, Murthy had “recently served” as surgeon general, in the Obama administration, from 2014 to 2017. And now he’s back in that role, under President Biden. Murthy is also the author of a recent book about loneliness; it’s called Together.
MURTHY: If you had told me several years ago that I would be talking about and thinking about loneliness, I would have said you were probably wrong.
When he was surgeon general under Obama, Murthy met with many people suffering from chronic illness and addiction.
MURTHY: But I found that behind many of those stories were stories of a deeper emotional pain. And that pain was often manifest as loneliness. And I realized that there’s something very important happening here, which is that people all across the world are experiencing a sense of disconnection from the people in their community, from the more abstract society that they are supposedly part of. I became curious about why that was, about what its consequences were for their health.
These consequences are said to be dire — perhaps best evidenced by one jarring statistic that made its way through the media:
WSJ: Loneliness — it turns out it is a strong predictor of early death, maybe as much as alcoholism and smoking 15 cigarettes —
Skavlan: — 15 cigarettes —
CBS: — 15 cigarettes a day.
Today on Freakonomics Radio: how real is the loneliness epidemic, and is it really that risky? Are there any upsides to loneliness? And are there any solutions to it?
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Tracey Crouch is a Member of Parliament in the U.K.
Tracey CROUCH: I’ve been an M.P. since 2010.
CROUCH: I was formerly the world’s first Loneliness Minister.
Why did the U.K. feel compelled to have a loneliness minister?
CROUCH: Loneliness shows no prejudice. It doesn’t matter who you are, how successful you are, how rich you are, where you live in the country, whether you work, whether you don’t work. The simple truth is, loneliness can hit at any given time.
Any why should loneliness be the government’s concern?
CROUCH: Because it’s actually something that can have an enormous public-health consequence. I think we are in loneliness where we were with mental health a decade ago. People didn’t talk about poor mental health, whereas now we are removing the stigma around mental health and that means that we can tackle some of the issues relating to mental health. And that was very much the same with loneliness. It’s about removing the stigma of being lonely and thinking, well, how can we ensure that people stay connected to society?
The very idea of a loneliness minister struck some people as comical:
Stephen COLBERT: This is so British.
The American comic Stephen Colbert, for instance:
COLBERT: They’ve identified the most ineffable human problem and come up with the most cold, bureaucratic solution.
But Tracey Crouch didn’t mind.
CROUCH: I actually thought that it was a really good opportunity to get the message out there, that we in the United Kingdom recognize that the issue of loneliness is something that is serious. And that was recognized actually by the number of countries who got in touch with us to come and talk about how they, too, could tackle loneliness. And that included, by the way, the former chief medical officer from the United States.
That being the former — and also current — chief medical officer Vivek Murthy.
MURTHY: That’s right. Yes.
Murthy had found compelling the argument that loneliness was increasing and that loneliness can be damaging, even physiologically damaging.
MURTHY: The mechanisms for how it works and for how it impacts our lives, I think, are still in the very early stages of being understood. And so we have a lot of data that shows strong associations between loneliness and health outcomes, including shortened lifespans and conditions like heart disease. What we have far less of are the kind of studies that, beyond the shadow of a doubt, prove causation.
But when stories about loneliness hit the media, that doubt tends to be glossed over. Consider the much-reported story equating loneliness and smoking:
CBS: Researchers say suffering through it can be as lethal as smoking 15 cigarettes a day.
Julianne HOLT-LUNSTAD: That statistic is often cited, so let me give you a little background of where that came from.
That is Julianne Holt-Lunstad.
HOLT-LUNSTAD: And I am a professor of psychology and neuroscience at Brigham Young University.
Holt-Lunstad was the lead author of a 2010 paper where that 15-cigarettes-a-day comparison came from. She and her co-authors did what’s called a meta-analysis, rolling up nearly 150 earlier studies that covered more than 300,000 research subjects.
HOLT-LUNSTAD: And so this meta-analysis really wanted to look at the overall effect of being socially connected or lacking social connections on overall risk for premature mortality.
Some measures of social connection are objective: marital status, for instance, or network size or whether you live alone. And others are more subjective — like feelings of loneliness.
HOLT-LUNSTAD: Yeah. So it’s good to define loneliness upfront because I think it’s used very loosely and can often be used interchangeably with social isolation and other related terms.
So how does her field define loneliness?
HOLT-LUNSTAD: Loneliness has been defined as that subjective discrepancy between our actual level of social connection and our desired level of connection.
Okay, that’s a pretty concrete definition. And maybe not what you or I might typically consider loneliness. Let’s hear it again:
HOLT-LUNSTAD: That subjective discrepancy between our actual level of social connection and our desired level of connection.
With that definition, you can see why loneliness may have spiked lately. With the rise of social media, it’s easier than ever to see other people doing things that you’d like to be doing, being with people you’d like to be with. But it’s also important to note the difference between loneliness and social isolation.
HOLT-LUNSTAD: Someone could be objectively isolated and feel lonely. But it’s also possible that you could be objectively isolated and not feel lonely, so you may take pleasure in that solitude. And conversely, someone may have many people around them and yet still feel profoundly lonely.
Okay, so loneliness and social isolation are not the same thing. And in their meta-analysis, Lunstad and her colleagues looked at whether there was a relationship between mortality and social connections generally — including loneliness, social isolation, marital status, etc. In other words: how important is social connection to how long you live? The participants in the rolled-up studies were on the older side — average age, nearly 64 — and they were followed for an average of seven-and-a-half years. So what’d Lunstad find?
HOLT-LUNSTAD: What we found was that those who were more socially connected, across these various indicators, had a 50 percent increased odds of survival.
And the researchers controlled for socio-demographic differences as well as a person’s initial health status and cause of death.
HOLT-LUNSTAD: So what that means is that these studies followed people over time, and they were 50 percent more likely to be alive at the follow-up than those who lacked social connections or had insufficient social connections.
Okay, so that looks to be strong evidence that longevity is at least strongly correlated with social relationships. But you could imagine that the causal relationship isn’t so airtight. It could be, for instance, that people with fewer social connections may have other issues — personality or behavioral issues, or whatever — that make it harder to maintain social connections.
HOLT-LUNSTAD: And my concern was that by simply just stating the 50 percent increased odds of survival, that the general public — and to some extent, even — perhaps the medical community, may not necessarily know what to make of that or how to contextualize that.
In other words, Holt-Lunstad didn’t want to contribute to sensationalized reporting.
HOLT-LUNSTAD: We are constantly bombarded with the latest health findings. And it’s hard to know what to take seriously and what not to take seriously.
But she also didn’t want her research finding to get lost. So she and her colleagues tried to draw specific, numerical parallels between the risk of low social connectivity and more common, physiological risks. Things like alcohol consumption—.
HOLT-LUNSTAD: Alcohol consumption, obesity, air pollution.
And: smoking. Judging by the media’s response to the 15-cigarettes-a-day comparison, the message got through. But the nuance was lost.
HOLT-LUNSTAD: Oftentimes, people will say that “loneliness has a greater risk than smoking up to 15 cigarettes per day.” And of course, loneliness was one of the indicators. But it wasn’t the only indicator.
Remember, the researchers looked at a whole basket of social connections — all of which, by the way, can be measured more tangibly than loneliness. But in the media reports, it was loneliness that stood out. Now this doesn’t necessarily mean that loneliness doesn’t create health risks. So how can you tell? Let’s start by asking a different question: where does loneliness come from?
HOLT-LUNSTAD: So the late John Cacioppo argued that loneliness is a biological drive.
Cacioppo was one of the founders of a field called social neuroscience.
HOLT-LUNSTAD: Much like hunger and thirst are biological drives. So hunger motivates us to seek out food; thirst, to seek out water. That loneliness is a biological drive that motivates us to seek out others.
And being around others, Cacioppo argued, was a key to survival.
HOLT-LUNSTAD: So we gain added resources by being around others. There is protection from predators, there’s protection from the elements.
On the flip side, then: when we’re alone, we have to be more vigilant.
HOLT-LUNSTAD: And so throughout human history, being around others has, in essence, been a form of protection and a more effective use of effort.
So when we are alone, what’s happening to us?
HOLT-LUNSTAD: So this activates regions of the brain that in turn signal our physiology to adapt to these situations, to handle whatever situation we’re in.
KLINENBERG: Loneliness is our bodies’ cue that we need to get out in the world and participate in social life.
That, again, is the N.Y.U. sociologist Eric Klinenberg.
KLINENBERG: So if you experience some loneliness in your life, that’s not necessarily a bad thing. That can be restorative.
HOLT-LUNSTAD: And it’s not something we necessarily want to eliminate, because loneliness is what motivates us to reconnect socially. The problem becomes when it becomes chronic.
MURTHY: Loneliness places us in a threat state.
And that, again, is surgeon general Vivek Murthy.
MURTHY: And whenever you’re in a state of threat, you are concerned about self-preservation.
Murthy believes this is how chronic loneliness can lead to bad health outcomes. The psychological stress of being in an elevated threat state can lead to biological responses like higher blood pressure and inflammation. You might also become hyper-vigilant about potential dangers — like the proverbial man-eating lion lurking in the tall grass of our ancestors’ savannah.
MURTHY: And that’s good, because I want to err on this side of thinking it’s a real threat because my survival may depend on it. But in the modern-day world, if you are in an elevated threat state for a prolonged period of time, not only is it exhausting, but that focus on yourself and that greater suspicion, if you will, of people and events around you can actually be a turnoff to other people.
It was Murthy who, as far as we can tell, first called loneliness an “epidemic,” back in 2017. Which would seem to imply that the threat is not only large but growing quickly.
MURTHY: We don’t exactly know how quickly loneliness is growing. But what we do know is that multiple studies have shown that loneliness is incredibly common. So, for example, if you look at a study that was published by The Economist a couple of years ago, they would peg the percentage of adults in the United States who are struggling with loneliness as above 20 percent. The U.K. is in a similar range, between 20 to 25 percent. The number of people struggling with loneliness in the United States is, in fact, greater than the number of adults who have diabetes. It’s greater than the number of people who smoke. For this reason, I think it’s worth investing more in understanding in greater depth the consequences of loneliness, who’s at greatest risk of loneliness, and most importantly, what we can do to address it.
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Eric Klinenberg, the N.Y.U. sociologist, has come to hold a fairly nuanced, and somewhat contrarian, view on loneliness. But he didn’t start out that way. The story begins in 1995, in Chicago, after a terrible heat wave.
KLINENBERG: Seven hundred and thirty-nine people died.
Klinenberg was just starting graduate school at Berkeley. But Chicago was his hometown.
KLINENBERG: It was my city. I cared about it. And Chicago prides itself as being the city of neighborhoods, a city of tight social connections. And this was such a big puzzle to me. Why did so many people in a booming American metropolis in the 1990s die of this heat wave?
After his first semester in Berkeley, he went back home:
KLINENBERG: And I started digging around. And I looked at all the data, and there was this puzzle that the epidemiologists picked up, which is that they had models that would predict how many people would die given certain climate conditions, and the deaths in the heat wave were far higher. The weather didn’t explain it. The physiology of people in the city didn’t explain it. So I came up with this idea of doing what I called a social autopsy, right? I was going to open up kind of the skin of the city, just like a doctor doing an autopsy opens up the skin of a body, and try to diagnose the organs that broke down. And the first thing I learned is that people died alone in the heat wave because so many people were living alone.
That basic fact, he said, was something that people weren’t really talking about.
KLINENBERG: The sad thing about a heat death is it’s so easily preventable if you’re with someone else who recognizes it. One of the most — maybe the most important risk factor for dying in the heat wave was living alone.
He ultimately wrote a book about the tragedy, called Heat Wave.
KLINENBERG: And this theme of people living alone and dying alone was one of many themes in the book.
But Klinenberg knew he had stumbled onto an even bigger idea, and he planned a new research project.
KLINENBERG: And it was my conviction that what the heat wave had uncovered for me is this incredible spike in loneliness, isolation, disconnection. What I thought I was going to discover in this new project was an America that had become so individualistic, so atomized, so disconnected by the twentieth-century marketplace, the decline of public institutions, that —
DUBNER: And even though you haven’t used words to say it, the tone of your voice implies that that’s a purely negative outcome.
KLINENBERG: The end of everything. I mean this — you think it’s bad out there, but I was going to show you just how bad it was. We have destroyed social ties. I was down, man. I was. I thought things were falling apart. And there is a tradition, by the way, in American intellectual life that sees decline, right? That sees, you know, we’re bowling alone. It’s the fall of public man, “the lonely crowd.” I do think that the heat wave allowed me to see something that really had not gotten sufficient attention, which is the fact that we have embarked on one of the most significant social changes in the history of our species: the rise of the one-person household.
What I learned in Chicago, which the demographers in my field had not really called attention to, which cultural historians had not paid attention to, but which is an incredible fact about the world, is that for the entire history of our species, we have lived in groups out of necessity. We needed to protect each other. We needed to get food for each other. We needed to divide labor. And this amazing thing starts to happen in the early 20th century and to really take off in the 1950s, which is that for the first time in the history of our species, people start to settle down on their own and to live alone for long periods of time. And now we’ve gotten to the point where, in the most affluent societies on earth, there are enormous numbers of people living alone.
This makes it sound as if living alone is, in some cases, a luxury — or at least a choice, a preference. According to U.S. Census Bureau estimates, 28 percent of all U.S. households are single households. That compares to just 9 percent in 1950. By the way, this could help explain why real estate is so expensive in so many cities: even if the population isn’t growing, there’s demand for more units. In Manhattan, 46 percent of households are single households; this trend is also strong in places like Denmark, Sweden, and Norway.
KLINENBERG: I’m not Pollyannaish about this. I mean, I really think this is potentially a very big social problem. But if you look at the big picture here, there’s something far more interesting at work.
What’s interesting, Klinenberg says, is that the choice to live alone does not necessarily create loneliness.
KLINENBERG: Because one of the surprising things I discovered is that there are more people who are living alone than ever before, but actually, people who live alone are surprisingly social. They’re more likely than people who are married to socialize with their friends, with their neighbors. They are more likely to participate in all kinds of shared social activities — going to the gym, going to concerts, going to libraries, cafes, things like this.
Even Vivek Murthy cautions against equating aloneness with loneliness.
MURTHY: I don’t think it’s as simple as that. I think just because you live alone does not mean that you’re consigned to a life of loneliness. Just because you live alone doesn’t mean that you’re somehow living an inferior life. People live alone for many different reasons and a lot of times because they choose to live alone. But I do think, like with all decisions we make in our life, that there are upsides and downsides.
And here’s the other thing: Eric Klinenberg is also convinced that living with someone does not necessarily insulate you from loneliness.
KLINENBERG: I’ve interviewed many people who had lived with a romantic partner and were now living alone. And they said to me, one after the next, “As lonely as I sometimes feel when I’m on my own, there’s nothing lonelier than living with the wrong person. There’s no feeling more lonely than having a domestic partner with whom one was once intimate, with whom one once had a feeling of trust and connection, and coming home and feeling disconnected from that person.”
So Klinenberg wrote another book, this one called Going Solo: The Extraordinary Rise and Surprising Appeal of Living Alone. This led him to ask an important and obvious question:
KLINENBERG: How does our current level of loneliness compare to levels of loneliness at other historical moments?
KLINENBERG: This is an area where there’s all variety of data, all kinds of surveys of different quality. And if you just read journalism, you would have no idea.
His favorite example is a commonly cited statistic from the G.S.S., or General Social Survey, which has been administered by the National Opinion Research Center since 1972.
KLINENBERG: It’s a high-quality survey. It’s done repeatedly. And there is a famous problem of one year in the G.S.S., where the measure of social isolation went awry.
To measure social isolation, the G.S.S. asks people if they have close friends or confidants with whom they can discuss topics of great personal importance. The reason for this specific but somewhat odd question is that social relationships can be really hard to pin down in a survey. But having “no confidant” is a pretty specific marker.
KLINENBERG: For some reason, and there’s a lot of debate about this, in the 2004 General Social Survey, people reported a much higher incidence of having no confidant.
For decades, only about one in 10 people said they had no confidant.
KLINENBERG: In 2004, about one in four respondents said that.
And how big a deal is this finding if you happen to be a sociologist?
KLINENBERG: This is a blockbuster finding in sociology. I mean, if you think about big changes in American social life — like, if you go to the demography meetings and someone finds a 3-percent shift in fertility, we’re high-fiving each other in the hallways. Someone’s ordered a keg to the hotel room.
It wasn’t just this shocking finding about no confidants that got a lot of attention. It was the explanation, published in an academic paper on the G.S.S. survey, for why this was the case.
KLINENBERG: So what’s the big thing that happens in our cultural and social life between 1985 and 2004?
KLINENBERG: The Internet. Exactly. So how amazing is this story now? The thing that’s going to make us better connected than ever before, the thing that’s going to create meaningful social relationships for us, turns out to make us more alone than we’ve ever been.
DUBNER: My favorite thing about the Internet is that it is the single best thing to blame anything on.
KLINENBERG: That’s right. And it’s such a big part of the story of why we’re all talking about isolation and loneliness these days.
But it turned out there was an issue with this amazing new finding.
KLINENBERG: Well, we’re now pretty sure that there’s a problem with the data. That it was an anomalous result.
Some of the G.S.S. survey data had been miscoded. Many answers that went into the “no confidant” column should have actually gone into the “decline to answer” column. So what did the “no confidant” finding look like on subsequent G.S.S. surveys?
KLINENBERG: We haven’t found it on subsequent General Social Surveys.
DUBNER: But what’s the truth then? What’s the empirical truth about how much “lonelier” we are today?
KLINENBERG: So the sad thing is I don’t think we know. I think it’s a mystery. Before I came to the studio today I wanted to check into, what’s the latest? Has there been some survey that’s come out recently that I don’t know about? Maybe the research is getting better. So I found a study that got a lot of news attention in December of 2018, and it reported that Americans are more than twice as lonely as we used to be.
This study was done by researchers at the University of California-San Diego School of Medicine.
KLINENBERG: And in the first few lines of the article, we read that estimates of America’s level of loneliness today vary from 17 to 57 percent of the population. And one of the big problems we have in the loneliness debate is that our measures of loneliness have varied dramatically over time.
HOLT-LUNSTAD: When people ask whether there is this epidemic of loneliness —.
That, again, is the Brigham Young psychologist Julianne Holt-Lunstad .
HOLT-LUNSTAD: It’s a tough question, because it’s not entirely clear whether this is something that we’re finally just recognizing or whether it’s something that is increasing. And part of that problem is because loneliness has not been systematically measured in the population. And various surveys may use different kinds of methodology. So just to give an example, just in 2018, there was the Cigna survey, the BBC survey, and the Kaiser survey, that all had different prevalence rates of loneliness in the U.S.
KLINENBERG: And we have worried about loneliness since the rise of industrial society. Since we started moving away from the village and we agglomerated into towns where we didn’t know as many of our neighbors, we worried about loneliness. We worried about the loneliness of farmers. We worried about the loneliness of apartment dwellers, of people driving in cars, of people who went to movies, of people who got the telephone instead of going into social life. And so that is by no means to say that loneliness is not a social problem or that we shouldn’t worry about people who get isolated. But if you think that’s the only part of the story, you’re missing something.
I think it’s safe to say we have been missing something, especially if we get most of our loneliness news from breathless T.V. reports and bombastic headlines. But still, even if loneliness isn’t growing, as some people suspect it is; even if loneliness is not as damaging as some people believe it is; the fact remains that loneliness — while it may be a useful biological signal — loneliness can also be hurtful. Unwanted social isolation cannot be a good thing. So: let’s hear about some solutions. Anyone have any good ideas?
MURTHY: Number one, it turns out, is that service, serving other people, is a powerful back door, if you will, out of loneliness.
That’s the surgeon general Vivek Murthy.
MURTHY: And one of the things that’s powerful about service is that it shifts the focus away from you and onto other people. And it also reaffirms for you that you have value to give and to share with the world.
Tracey Crouch, the U.K.’s former loneliness minister, wants to see an increase in what’s called “social prescribing.”
CROUCH: So what we found is that one in five doctor’s appointments are solely to do with loneliness rather than other medical conditions. So we started using social prescribing in the U.K. for a whole variety of things, for example, with obesity. So rather than just prescribing people pills that would hopefully suppress appetite, we’d actually get them to do walking clubs or light sporting activities. And so now we’ve rolled out social prescribing. We have link workers in our doctor surgeries that can have a whole list of organizations locally that people can get involved with, to effectively try and make sure that they remain connected in society.
As for Eric Klinenberg, he thinks the best loneliness solutions have to do with how communities are conceived and organized. He wants to see better “social infrastructure,” as he calls it.
KLINENBERG: The gathering places that are public and accessible, like libraries and parks and playgrounds, public-transit systems that work well.
This is the idea Klinenberg plays with in his latest book, called Palaces for the People.
KLINENBERG: But also the real investment in public housing and subsidized housing and in shared housing units. There are programs that do co-op housing for older people. Like one place I went in Stockholm is a place called Färdknäppen, which it definitely is not how it’s actually pronounced but that’s how I say it. And on the first floor, there’s this big open kitchen and dining room area. And if you live in the building you commit that three nights a month you will contribute to the cooking and cleaning for the collective. And every morning, everyone in the building can sign in to dinner that night. You never have to be there, but you always have the option to have a shared meal.
I think what this conversation should be opening our eyes to is the sense that there are actually all variety of ways to organize a society. There are all kinds of ways for us to settle, for us to invest in public goods, for us to share or be private. And we are locked into a very narrow band of choices right now.
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That, again, was Episode No. 407, “Is There Really a ‘Loneliness Epidemic,’” first published in early 2020. The pandemic has of course added any number of new inputs to the loneliness equation. Eric Klinenberg and his student Matthew Wolfe are working on a paper about what they call “social repair,” or how people reconstruct the social bonds that were ruptured during isolation. They’ve been reviewing the literature on how the pandemic has affected mental health and loneliness. One number that is way up: the share of U.S. adults who report having symptoms of an anxiety disorder. But the loneliness numbers aren’t so clear. Some studies have reported an increase, particularly among young adults, women, and low-income groups; but another study has found that loneliness hasn’t increased. If you have a story to tell, we’d love to hear it.
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Freakonomics Radio is produced by Stitcher and Dubner Productions. This episode was produced by Daphne Chen. Our staff also includes Alison Craiglow, Greg Rippin, Joel Meyer, Tricia Bobeda, Mary Diduch, Brent Katz, Zack Lapinski, Emma Tyrrell, Lyric Bowditch, Jasmin Klinger, Eleanor Osborne, Ryan Kelley, and Jacob Clemente. Our theme song is “Mr. Fortune,” by the Hitchhikers; the rest of the music this week was composed by Luis Guerra. You can follow Freakonomics Radio on Apple Podcasts, Spotify, Stitcher, or wherever you get your podcasts.
- Eric Klinenberg, professor of sociology at New York University.
- Vivek Murthy, United States Surgeon General.
- Tracey Crouch, Member of Parliament and former Loneliness Minister in the U.K.
- Julianne Holt-Lunstad, professor of psychology and neuroscience at Brigham Young University.
- “Anxiety and Depression: Household Pulse Survey,” by the National Center for Health Statistics (2021).
- “Loneliness during the COVID-19 Pandemic,” by Lena Dahlberg (Aging & Mental Health, 2021).
- Together: The Healing Power of Human Connection in a Sometimes Lonely World, by Vivek Murthy (2020).
- “Who Is Lonely in Lockdown? Cross-Cohort Analyses of Predictors of Loneliness Before and During the COVID-19 Pandemic,” by F. Bu, A. Steptoe, and D. Fancourt (Public Health, 2020).
- “The Trajectory of Loneliness in Response to COVID-19,” by Martina Luchetti, Ji Hyun Lee, Damaris Aschwanden, Amanda Sesker, Jason E. Strickhouser, Antonio Terracciano, and Angelina R. Sutin (American Psychologist, 2020).
- “Loneliness in the UK During the COVID-19 Pandemic: Cross-Sectional Results from the COVID-19 Psychological Wellbeing Study,” by Jenny M. Groarke, Emma Berry, Lisa Graham-Wisener, Phoebe E. McKenna-Plumley, Emily McGlinchey, Cherie Armour (PLOS One, 2020).
- “Prevalence and Predictors of General Psychiatric Disorders and Loneliness During COVID-19 in the United Kingdom,” by Lambert Zixin Li and Senhu Wang (Psychiatry Research, 2020).
- “Number of Single-Person Households U.S. 1960-2020,” by the U.S. Census Bureau (Statista, 2020).
- Palaces for the People: How Social Infrastructure Can Help Fight Inequality, Polarization, and the Decline of Civic Life, by Eric Klinenberg (2018).
- “Rates of Loneliness Have Doubled Over the Last 50 Years,” by Chrissy Sexton (Earth.com, 2018).
- “America’s Families and Living Arrangements: 2018,” by the U.S. Census Bureau (2018).
- Going Solo: The Extraordinary Rise and Surprising Appeal of Living Alone, by Eric Klinenberg (2012).
- “Sociologists Debate: Are Americans Really Isolated?” by the American Sociological Association (Phys.org, 2009).
- “Social Isolation in America: Changes in Core Discussion Networks over Two Decades,” by M. McPherson, L. Smith-Lovin, and Matthew E. Brashears (American Sociological Review, 2006).
- “Social Relationships and Mortality Risk: A Meta-analytic Review,” by Julianne Holt-Lunstad, Timothy B. Smith, and J. Bradley Layton (PLoS Medicine, 2010).
- “Social Isolation in America: Changes in Core Discussion Networks over Two Decades,” by Miller McPherson, Lynn Smith-Lovin, and Matthew E. Brashears (American Sociological Review, 2006).
- Heat Wave: A Social Autopsy of Disaster in Chicago, by Eric Klinenberg (2002).
- “The Side Effects of Social Distancing (Ep. 409),” by Freakonomics Radio (2020).
- “Is There Really a “Loneliness Epidemic”? (Ep. 407),” by Freakonomics Radio (2020).