CTE is a major threat to NFL players

Repeated head injuries can lead to CTE and early dementia

Chronic traumatic encephalopathy is a progressive neurodegenerative disease caused by repeated trauma to the head. The condition has become a particular concern in sports like football and soccer, from youth to professional leagues, where repeated low-level concussive events are likely.

NHL Commissioner Gary Bettman rejects ties between CTE and playing hockey

After multiple shocking deaths and several explosive studies, the NFL chose to embrace the league’s role in brain injuries related to concussions. But despite having concussion numbers similar to football and several studies on hockey players, the NHL has chosen to dispute the link.

Following the NFL's concussion settlement, numerous victims were denied payouts

In 2015, the NFL finalized a landmark settlement with former players alleging concussions suffered in games were causing brain diseases. The settlement promised to pay every former player who developed dementia or diseases linked to concussions. This Washington Post investigation interviewed former players who filed claims under the agreement, but said they were rejected based on definitions in the settlement.

Traumatic brain injury is a leading cause of brain death—and TBIs are trending up

Traumatic brain injury-related deaths have generally increased between 2000 and 2023, growing from roughly 49,000 to more than 68,000 in 2023. Firearm-related suicide is the most common cause of TBI-related deaths in the US, according to the Centers for Disease Control and Prevention. People also experience TBIs from falls, motor vehicle crashes, or assaults.

67 US high school athletes died from exertional heatstroke between 1982 and 2022

Many of those deaths were from football specifically, where student athletes play in hot conditions while wearing heavy protective gear. Few states mandate heat guidelines for school athletes, and this article says that's of increasing concern with more high heat index days.

Tom Brady has played in and won the most Super Bowls of any NFL player

Appearing in 10 Super Bowls and winning seven—both NFL records—Tom Brady captured championships with two different teams, an unmatched résumé that has led many to regard the former sixth-round pick as the greatest player in league history.

NFL Draft decisions are shaped by brain science, data, and office culture

Carnegie Mellon researchers say Draft-room choices are influenced by the "jackpot effect"—where higher stakes can impair performance—as well as by groupthink, the limits of data, and whether scouts feel safe speaking up.

NFL explained

The NFL is the premier professional American football league, founded in 1920 in Canton, Ohio. It consists of 32 teams playing an 18-week regular season from September to January, culminating in the Super Bowl championship in February. The NFL has grown into the world's most valuable sports league, generating nearly $20B in revenue in 2023, and with teams valued at $163B combined. Learn its history here.

A 2024 cheating scandal cast doubt on the industry

In 2024, National Fantasy Football Championship, a fantasy league with big payouts, fired one of its employees for manipulating data. The episode cast doubt on the relatively unregulated industry, despite the league coming down hard on the nefarious worker.

Mental health experts caution against youth sports betting

People in their early 20s represent the fastest-growing group of sports gamblers. That fact concerns mental health professionals, who warn that early exposure to gaming primes children’s brains to seek digital rewards.

The decline in value of the NFL running back

Running backs long held the role of superstar on NFL teams, carrying their team down by down to the endzone. Their salaries reflected that importance as well. But in the last 30 years, front offices and fans have taken more to the quarterback instead, who receives much higher salaries. This podcast episode breaks down the economics of the turn in the game's focus from rushing to passing.

Super Bowl LIX in 2025 made TV history with over 127 million viewers

Nielsen reported Super Bowl LIX drew an estimated 127.7 million viewers, the largest audience in Super Bowl history, with peak viewership near 138 million. This resource also includes viewership figures for every Super Bowl dating back to Super Bowl I.

The disease no one survives (yet)

Creutzfeldt-Jakob disease is currently incurable and can cause one's death within months of symptoms appearing. It involves misfolded proteins that, for some reason yet unknown to science, aren't cleared by the brain as typical and instead trigger similar proteins to misfold. These malformed major prion proteins—prion being a portmanteau of protein and infection—clump inside nerve cells, blocking signals crucial to processes ranging from speaking to organ function.

Rob Gronkowski dented the Lombardi Trophy during the Patriots' celebration

After their victory in Super Bowl LII, Patriots' tight end Rob Gronkowski dented the trophy by using it as a baseball bat before throwing out the first pitch at Fenway Park. Team owner Robert Kraft decided not to repair the trophy.

Ken Caminiti exposed steroid use around the league

In 2002, newly retired Ken Caminiti was the first to admit to using steroids as a player, citing how common PEDs were in the league, something that had long been rumored, especially after the single-season home run record was broken in 1998 by Mark McGwire.

How Carolina's Luke Huechly dominated the NFL with his intellect

As a Carolina Panther for eight seasons, Huechly used his exceptional mind to study opponents and anticipate plays. As a linebacker, he consistently led the NFL in tackles and was named All-Pro almost every season.

Breast, prostate, and lung cancer are the most common forms of the disease

Close to 1.8 million cases of cancer are diagnosed each year in the US, with more than 600,000 deaths (about 0.2% of the total population). This visualization tool offers a searchable database of aggregate statistics on common cancers by gender, race, state, and other demographic information.

Genetic blood test offers an estimated clock on when Alzheimer's symptoms may appear

The 2026 research finding from researchers at Washington University School of Medicine in St. Louis—if validated in broader populations—suggests that an already available blood test could estimate when Alzheimer's symptoms may begin within a margin of several years. The test detects a protein called p-tau217 found in blood plasma and the researchers incorporated the findings from that blood test into a statistical model to come up with the symptom timeline predictions.

Read a study about racial differences in Lyme disease diagnosis

The research published in September 2025 examined differences in Lyme disease diagnosis among Medicaid and Medicare beneficiaries using data from 2016 to 2021. It notes that though US Lyme disease surveillance data indicates more than 90% of diagnosed Lyme cases are among white people, people of color—particularly those who identify as Black or African American—have higher rates of more severe disease of Lyme, with symptoms including arthritis and neurologic impacts.

FDA removed its cardiovascular risk warning on testosterone products in 2025

The change came a decade after the FDA added the label. Recent work, including a gold-standard randomized trial, found that men receiving the products had similar cardiovascular risk levels as men taking placebo products. Testosterone, however, may hold other health risks, including infertility.

NFL quarterback puts mayo in coffee, scores deal with Hellmann's

Tennessee Titans quarterback Will Levis went viral when, as Kentucky's quarterback in 2022, he was captured on video using mayo in his coffee instead of cream. Now an NFL pro, Levis was offered a lifetime contract with the mayonnaise producer...

Some argue that investment banking could be a health hazard

Back in 2012, a University of Southern California researcher published a decade-long study in which she observed investment bankers’ health. The results weren’t exactly stellar. Every individual the researcher observed developed a stress-related physical or emotional ailment within several years of working in investment banking.

In 1939, baseball star Lou Gehrig delivered his 'Luckiest Man' speech after retiring due to a health condition

Gehrig's diagnosis of amyotrophic lateral sclerosis, a disease that now bears his name, forced him to retire early. Weeks later, he spoke with gratitude and stated, "For the past two weeks, you have been reading about a bad break. Yet today I consider myself the luckiest man on the face of the earth." Gehrig died at the age of 37, about two years later.

Tinnitus is a rare side effect of COVID-19

The infection can affect inner ear cells, and a review of the literature across multiple studies concluded that hearing loss occurred in 3.1% of patients with the virus and tinnitus in 4.5%.

Losing a brain-computer interface can trigger lasting psychological distress

A clinical trial participant with severe epilepsy described becoming “one” with her implant after it gave her unprecedented control over her seizures. When the device was removed due to the company shutting down, she experienced deep emotional trauma and a sense of personal loss.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

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

Larger animals like giraffes, elephants, and blue whales have developed a unique defense against cancer, a phenomenon known as Peto's Paradox

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

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

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

Human-to-human transmission of hantavirus remains extremely rare, so the 2026 hantavirus cruise ship outbreak doesn't mean we're facing a COVID-style pandemic risk.

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.

View the ten deadliest tornadoes in US history.

Crows are believed to have intelligence on par with a seven-year-old child and demonstrate complex behaviors, from problem-solving with tools to recognizing human faces.

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.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

Despite being favored by 87% of Americans, Congress does not have term limits.

Exploring the Larry Bird punch that almost changed March Madness

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.

About 12.5% of US adults experience a phobia in their lifetime, a diagnosis that hinges on the intense fear interfering with daily life and persisting for at least six months.

Fireworks-related ER visits are on the rise—in 2024, they increased by 52% as compared to the prior year.

Radioactive elements can introduce software errors because the ionizing radiation they produce can detach electrons from atoms, and computer code relies on the distribution of electrons.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

Objects can be 3D printed with light by projecting 2D computerized tomography (CT) scans onto rotating cylinders of resin, which solidify upon exposure.

Neutron stars, the remains of some massive stars after they explode in a supernova, are the densest directly observable objects in the universe.

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.