There are two dominant theories as to why Westerners have gotten increasingly obese in the last fifty years. One is that we're eating too many carbs and carbs make us fat. Another is that our primitive appetite — which is wired to gorge on calorically dense foods as a survival mechanism — is misaligned with a modern landscape in which food is available in an overabundance.

My guest today says that there's too much evidence which contradicts these theories for them to completely explain the problem of weight gain, and forwards a different and quite surprising theory as to what may be going on instead.

A Surprising Theory on Why We Get Fat

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Have you ever noticed the guy in a fighting stance on the Art of Manliness logo? That’s not just some random symbol; it’s an actual dude: John L. Sullivan, the greatest bare-knuckle boxer of the 19th century.

While most people think bare-knuckle boxing came to an end during Sullivan’s era, in fact, it never entirely went away. In his new book, Bare Knuckle: Bobby Gunn, 73–0 Undefeated. A Dad. A Dream. A Fight Like You’ve Never Seen, Stayton Bonner charts bare-knuckle boxing’s rise, fall, and resurgence, as well as the improbable story of its modern chapter’s winningest champion. Today on the show, Stayton describes bare-knuckle boxing’s incredible popularity a century ago, and why gloved boxing took its place while bare-knuckle got pushed into a shadowy, illicit underground. Stayton takes us into that secret circuit which still exists today, revealing the dark, sweaty basements and bars where modern bare-knuckle fights take place and the ancient code of honor that structures them. And Stayton introduces us to a dominant figure in that world, Bobby Gunn, an undefeated bare-knuckle fighter who combines a love of faith, family, and fighting and has helped turn bare-knuckle boxing into what is now the world’s fastest-growing combat sport.

The Secret World of Bare-Knuckle Boxing

Do you sometimes walk to another room in your house to get something, but then can’t remember what it was you wanted? Do you sometimes forget about an appointment or struggle to remember someone’s name?

You may have chalked these lapses in memory up to getting older. And age can indeed play a role in the diminishing power of memory. But as my guest will tell us, there are other factors at play as well.

Charan Ranganath is a neuroscientist, a psychologist, and the author of Why We Remember: Unlocking Memory’s Power to Hold on to What Matters. Today on the show, Charan explains how factors like how we direct our attention, take photos, and move through something called “event boundaries” all affect our memory, and how our current context in life impacts which memories we’re able to recall from the past. We also talk about how to reverse engineer these factors to improve your memory.

Why Your Memory Seems Bad (It’s Not Just Age)

If you read most first aid guides, the last step in treating someone who’s gotten injured or sick is always: get the victim to professional medical help.

But what if you found yourself in a situation where hospitals were overcrowded, inaccessible, or non-functional? What if you found yourself in a grid-down, long-term disaster, and you were the highest medical resource available?

Dr. Joe Alton is an expert in what would come after the step where most first aid guides leave off. He’s a retired surgeon and the co-author of The Survival Medicine Handbook: The Essential Guide for When Help is NOT on the Way. Today on the show, Joe argues that every family should have a medical asset and how to prepare to be a civilian medic. We discuss the different levels of first aid kits to consider creating, from an individual kit all the way up to a community field hospital. And we talk about the health-related skills you might need in a long-term grid-down disaster, from burying a dead body, to closing a wound with super glue, to making an improvised dental filling, to even protecting yourself from the radiation of nuclear fallout.

Grid-Down Medicine — A Guide for When Help Is NOT on the Way

Over the last decade, there's been an increase in the number of people, particularly young adults, who struggle with low moods, distractibility, and anxiety and consequent difficulties with getting their life on track and making progress in work, friendship, and romance.

In addressing these difficulties, people are often given or adopt a mental health diagnosis, and look for a solution in therapy and/or medication.

My guest isn't opposed to these remedies. She is herself a clinical psychologist who's maintained a practice for a quarter century that specializes in treating clients in their twenties. But Dr. Meg Jay, who's also the author of The Twentysomething Treatment, believes that a lot of what young adults, and in fact adults of all ages, struggle with, aren't disorders that need to be treated, but problems that can be solved.

In the first half of our conversation, Meg explains what's behind the decline in mental health for young adults and how it's bigger than just smartphones. We discuss the dangers of self-diagnosis, the potential downsides of using medications to treat mental health issues, and why she advocates for "skills over pills." In the second half of our conversation, we talk about how mental health gets better when we get better at life, and what skills twentysomethings, and many older adults, need to develop, including the skills of thinking, feeling, working, socializing, and even cooking. We also discuss how porn is affecting the young men in her practice and an alternative to being a self-assurance junkie.

Skills Over Pills

When we think of rituals, we tend to think of big, inherited, more occasional religious or cultural ceremonies like church services, holidays, weddings, and funerals. But as my guest observes, we also engage in small, self-made, everyday rituals that help us turn life's more mundane moments into more meaningful ones.

In the The Ritual Effect: From Habit to Ritual, Harness the Surprising Power of Everyday Actions, psychologist and Harvard Business School professor Michael Norton explores the way our DIY rituals shape, and enhance, our lives. We take up that survey on today's show. Michael explains the difference between a habit and a ritual and how individuals and families create unique "ritual signatures" even within more standard rituals like holidays. We discuss the different areas of life in which rituals show up and what they do for us, including how they help us cope with uncertainty, savor life, and connect to the past. We get into the function DIY rituals perform in romantic relationships, from deepening intimacy to facilitating a break-up, the role that "kinkeepers" play in keeping a family together, the tricky business of combining family traditions when people get married, how to know when a family tradition should be retired, and much more.

A Surprising Theory on Why We Get Fat

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