Activity trackers promise to improve health by forcing us to examine the facts

Doctors weigh in: Are wearable fitness devices useful or just entertainment?

In an age where technology is intertwined with our daily routines, there is an evolving relationship between healthcare professionals and the data gained from our wearable devices. This piece, published on The Verge, explores how doctors view and...

Do sleep-tracking apps work?

Can technology help us sleep better? As wearables and apps promise to optimize our nights, this New York Times investigation reveals some troubling findings after columnist Brian Chen used a wearable for two weeks to track his sleep. He discovered that sleep trackers not only provide frequently questionable data but can also paradoxically worsen sleep problems by causing users to obsess over their metrics — a new condition researchers are calling ‘orthosomnia.’

How art helps us process our feelings

The internet is chock full of hacks and apps that supposedly help you optimize yourself into a more productive person. But Aparna Chivukula argues that spending so much mental energy on "wellness" misses a larger philosophical issue, one that can only be explored through art.

Optimal human functioning requires movement

There is now ample evidence to back the centuries-old hypothesis that exercise is critical to human health. This review article explores the latest discoveries in exercise science, including how exercise is intrinsic to maintaining our organ systems throughout life.

Modern workplaces were engineered for efficiency, not work-life balance

Modern work organization traces back to 19th-century scientific management, an approach that optimized output by viewing workers as machine components. That logic still persists today and contributes to burnout, stress, and disengagement. Researchers propose a "circular work" model that combines effort with recovery, learning, and renewal, suggesting productivity and well-being should align rather than compete.

How self-care led to Ozempic's success

Self-care has become a $1.5T economy that idealizes restraint and willpower, leaving behind those who can't shake off human nature. This article explores how Ozempic and similar weight loss medications pick up where self-care left off.

A 15th-century university student documented a surprisingly detailed fitness plan

Modern fitness stems from the revolution in the knowledge we have of the human body, its cardiovascular systems, how muscles work, and more. Nonetheless, people through the centuries have had fitness regimes—including one university student whose fitness plan was preserved in an obscure document found between a manuscript.

Biohacking: The effort to optimize health and extend life through technology

Biohacking seeks to optimize human health and performance through everything from simple lifestyle adjustments to more radical interventions like body modifications and experimental technology. At its core, biohacking covers a wide spectrum—ranging from improving sleep and focus to implanting devices that integrate technology with the human body.

The promises and perils of using at-home genetic tests for your health

A primer on genetic testing, personalized medicine, and the promise of pharmacogenomics–the use of genetics to predict an individual's response to a drug.

How we frame stress—as good or bad—seems to alter how it affects us

This podcast discusses research that indicates stress perception may drastically affect how we respond to it. In research exploring if our stress is presented as diminishing our health versus if we're told it enhances our performance, it will lead to differences in how successful participants are at performing tasks—with the enhancers doing better.

The fitness industry has seen a lot of fads—and Peloton might be one of them

Like SoulCycle and Tae Bo, Peloton has struggled to stay at the forefront of the fitness industry. Despite periods of incredibly high interest and high-profile users (like the Obamas), Peloton has lost many users since the pandemic ended—and has struggled to add more. (Some users may experience a paywall.)

How to form lasting, healthier habits

James Clear's "Atomic Habits" is a bestselling book about making small, realistic changes to create healthier habits. This brief piece breaks down three key lessons from the book as well as four simple steps toward adopting its approach.

Weight loss lessons from 'The Biggest Loser' contestants

This article dives into findings from studies conducted on contestants of "The Biggest Loser" that look at the correlation between weight loss, weight gain, metabolism, and physical activity. The studies support the theory of metabolic adaptation,...

Critic Neil Postman argued modern technology is dystopian

Cultural critic Neil Postman argued in 1985's "Amusing Ourselves to Death" that mass media had made the dystopia of Huxley's "Brave New World" a reality. In 1992, he published "Technopoly," a wider critique of the utopian visions of technology or, as Postman calls it, "all of the machinery that takes people out of public arenas and keeps them fixed in their homes."

The case for optimism

Author, editor, and thinker Kevin Kelly makes an argument for optimism. Not only as a personal philosophy, but as a moral obligation, focusing on the need for optimism in overcoming challenges. Drawing examples ranging back to the Wright brothers,...

Why processed foods can be so addictive

In recent years, many critics have voiced their concerns about the food industry and how ultra-processed foods affect our health. Despite our awareness of these issues, processed foods are still incredibly hard to remove from our diet. In this podcast by The Guardian, Dr. Chris van Tulleken explains how “junk food” is created to get us hooked, how it negatively affects us, and what we can do to improve our eating habits.

Running became more popular in the mid-20th century

Once considered a fringe activity, running eventually became an American interest. The trend was spurred in part by the 1966 book "Jogging," which was cowritten by Bill Bowerman, the cofounder of Nike.

Hustle culture is what happens when the belief that working extremely hard will put people on the path to success becomes the norm in a workplace or other group

From pulling all-nighters at the office to never taking a weekend off, hustle culture has been known to lead to employee burnout. The Worklife with Adam Grant podcast explains hustle culture and its effects in depth in this episode.

Inside the rise of focus music

Any casual YouTube or Spotify user has likely stumbled upon a playlist called "lo-fi beats to study and relax to" while searching for new music. Those "lo-fi beats" actually represent a growing genre of music called "focus music." Spotify, for instance. saw a 50% increase in listening time for focus playlists in its 2023 Wrapped report. This article explains why productivity tunes are on an upswing right now. Read it here.

TikTok's personalized algorithm activates the brain's reward system

A 2025 Washington Post study found that 75% of the TikTok users it studied nearly doubled their time spent on the app within a month. Experts in design and psychiatry say this is due to the app's interface and algorithm, which, after learning about the user's preferences, recommend videos more likely to activate that person's dopamine reward system than non-personalized suggestions.

How companies track you around the internet, explained

Being able to track how users behave on websites is a massive opportunity for companies to hone their products, target their ads, and more. Dozens of trackers are on the average website you visit, depending on how you deal with that site's cookie policy, and Google is the chief tracker of them all. Learn about these companies and what they are tracking with this informative blog visualization.

Why one runner believes Stoic philosophy is important for marathoners

There's plenty of time for thinking while training for a marathon, and Matt Fitzgerald suggests it'd be wise to study the Stoic philosophers to navigate the many frustrations that come with that training. Fitzgerald may be talking about running, but his advice can apply to any seemingly impossible goal.

Hank Green on the problem with being a creator

YouTuber Hank Green takes over The Financial Diet's platform to talk about the creator economy. He walks the audience through the financial decisions involved when making content. He also describes brand deals, and who actually owns the content posted on social media platforms—the creator or the platform itself?

Richard Hittleman brought yoga to TV

"Yoga For Health" was a 1960s television show that sought to make yoga accessible for everyday Americans. Richard Hittleman, the show's host, walked viewers through basic postures, introducing them to the practice's therapeutic benefits. "We know that within us there's great forces, and great power, and great beauty," he says in this 1961 episode, "and the idea is to bring it out."

Counting calories with a ballerina

Ballet dancer Theresa Farrell meticulously manages her diet to achieve her performance weight goal for the American Contemporary Ballet season in Los Angeles. She tracks calories, relies on pre-packaged meals, and calculates every intake. This regimen allows her to stay focused on training and rigorous dance routines, ensuring she's prepared physically for performances. Watch a day in the life here.

Watch how algorithms can be designed to train themselves and self-improve without human input, to the point where the optimized code is too complex for programmers to understand.

Studies suggest when you sleep is as important as how much you get, and syncing with your circadian rhythms may lead to less fatigue and improved long-term health outcomes

Learn how your body is, scientifically, like a firework with its own slow, controlled burn.

Telehealth demand for GLP-1s for weight loss is booming as consumers seek easier access.

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

Read a deep dive on the 'all-purpose healing' peptide BPC-157.

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

After 25 people used virtual reality headsets to practice flying with virtual wings—flapping their arms—their visual cortex responded to the wings almost as if they were real arms, treating them as body parts.

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

Fast-casual restaurant Chili's is experiencing a resurgence, with its parent company recently reporting a nearly 32% increase in sales, thanks to passionate Gen Z fans on TikTok.

In recent years a child anxiety expert has created and tested a novel phobia and anxiety treatment approach for children, focused on changing how parents respond to the fears.

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

Alzheimer's can lead to brain shrinkage, with an average of around 2% of volume reduction per year

Some researchers have labeled nomophobia, the fear of being without your phone, as 'the phobia of the 21st century.'

Existentialist writer Jean-Paul Sartre coined the famous phrase 'Hell is—other people' in his play 'No Exit'

A century of Billboard issues documenting the evolution of popular music.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

An investigation suggests a Scottish island became awash in forever chemicals via seafoam and seaspray—raising questions about what that means for the safety of other coastal areas.

Hedge funds, the private investment firms that trade a wide swath of financial assets, make money by imposing steep fees on investors and from the fund's investment performance.

Cultural norms about how to handle the bodies of loved ones in communities in West Africa have hampered Ebola responses.

'Saturday Night Fever,' the 1977 film that introduced disco to the mainstream, was based on a fabricated magazine story.

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by over 1.5 million Muslims.