Evidence That Challenges What You Think You Know

Counterintuitive scientific findings, verified and well-sourced. No clickbait. No sensationalism. Just the research.

A teenager's hand resting on a face-down smartphone on a weathered wooden table beside a bowl of potatoes and a pair of wire-framed glasses in soft natural light

🧠 Psychology

Every Parent Worries About Screen Time. A Study of 355,358 Adolescents Found It Explains Less of Their Well-Being Than Wearing Glasses or Eating Potatoes.

Using a novel statistical method that tested every plausible analytic path through three massive datasets, Oxford researchers found that digital technology use accounts for at most 0.4% of the variation in adolescent well-being, an effect so small that potatoes and corrective lenses have comparable or larger negative associations.

Latest Research

An abandoned piano in a sunlit meadow with wildflowers growing around its legs

80% of Americans Believe Music Lessons Make Kids Smarter. A Meta-Analysis of 54 Studies and 6,984 Children Found the Effect Is Zero.

The belief that learning piano or violin boosts children's IQ, reading, and math skills has driven school policy and parenting decisions for three decades. A comprehensive meta-analysis found that when studies use proper controls, music training produces no cognitive or academic benefit whatsoever.

June 11, 2026 10 min read ⚡⚡⚡⚡ 4/5

A single candle burning steadily on a weathered wooden table surrounded by dried grasses in warm golden light

🧠 Psychology

Your Willpower Doesn't Run Out. Two Preregistered Studies With 5,672 Participants Across 59 Labs Found the 'Ego Depletion' Effect Is Essentially Zero.

The idea that self-control is a finite resource, backed by 600+ published studies and taught in every psychology textbook, collapsed when 59 laboratories ran coordinated replications. The observed effect was an order of magnitude smaller than the original meta-analytic estimate.

June 10, 2026 10 min read ⚡⚡⚡⚡ 4/5

A softly lit hospital corridor at dawn with a patient satisfaction clipboard on an empty chair

Hospitals Spend Billions Making Patients Happy. A Study of 51,946 Adults Found the Most Satisfied Patients Were 26% More Likely to Die.

A nationally representative study found that patients rating their healthcare highest had greater hospital admissions, 9% higher drug expenditures, and 26% increased mortality risk. A 2019 replication with nearly 93,000 participants found an even stronger effect.

June 9, 2026 10 min read ⚡⚡⚡⚡ 4/5

A stethoscope resting on a weathered wooden desk beside an open medical textbook with yellowed pages

Everyone Wants the Most Experienced Doctor. A Study of 736,537 Hospitalizations Found Patients of Older Physicians Had Higher Mortality.

A national analysis of Medicare hospital admissions found that 30-day mortality rose steadily with physician age, from 10.8% for doctors under 40 to 12.1% for those over 60. The effect disappeared for high-volume physicians.

June 8, 2026 10 min read ⚡⚡⚡⚡ 4/5

A pair of worn running shoes resting on a sunlit dirt trail winding through a grassy meadow at golden hour

🏋️ Fitness

Your Doctor Told You Running Would Ruin Your Knees. A Meta-Analysis of 125,810 People Found Runners Get Less Arthritis Than Couch Potatoes.

A systematic review of 25 studies across six countries found that recreational runners develop knee and hip osteoarthritis at barely one-third the rate of sedentary people. Competitive athletes do face higher risk. But for the tens of millions who jog a few times a week, the couch appears to be the bigger threat to their joints.

By James Haworth · June 5, 2026 · ⚡⚡⚡⚡ 4/5

A single white pill resting on a weathered wooden table in soft diffused morning light with muted earthy tones

🧠 Psychology

52 Million Americans Take Acetaminophen Every Week. Two Double-Blind Trials Found It Also Reduces Their Empathy.

Acetaminophen is the most widely used drug ingredient in the United States. A pair of randomized controlled trials at Ohio State found it doesn't just numb your own pain. It numbs your response to everyone else's.

By Rebecca Liang · June 2, 2026 · ⚡⚡⚡ 3/5

An empty chair in a bare institutional room with soft diffused morning light

🧠 Psychology

Talking Through Trauma Right After It Happens Seems Obviously Helpful. A Cochrane Review of 15 Trials Found It Can Make PTSD Worse.

For two decades, organizations mandated that survivors of disasters, accidents, and violence sit down with a counselor within hours and relive what happened. Fifteen randomized trials found no benefit. Two found it caused harm.

By Daniel Koresh · June 1, 2026 · ⚡⚡⚡⚡ 4/5

A single translucent capsule resting on a weathered wooden surface in soft warm morning light

Patients Who Knew They Were Taking Sugar Pills Still Got Better. A Meta-Analysis of 60 Trials Exposed the Paradox.

Sixty randomized controlled trials. 4,554 participants. Patients told the pills were sugar pills. They improved anyway — especially the sickest ones.

By Rebecca Liang · May 31, 2026 · ⚡⚡⚡⚡ 4/5

An empty hospital corridor at dawn with warm golden light streaming through windows

Medicare Penalized Hospitals for Readmitting Patients. A Study of 8 Million Cases Found It Increased Deaths.

The Hospital Readmissions Reduction Program fined hospitals nearly $2 billion for readmitting patients within 30 days. A JAMA study of 8.3 million Medicare hospitalizations found the policy was associated with roughly 10,000 excess deaths from heart failure and pneumonia.

By Marcus Reeves · May 29, 2026 · ⚡⚡⚡⚡ 4/5

A solitary metal tub of ice water in a gymnasium with warm morning light streaming through high windows

🏋️ Fitness

Athletes Swear by Ice Baths for Recovery. A 12-Week Trial Found They Cut Muscle Growth by Two-Thirds.

A randomized controlled trial of 21 strength-trained men found that 10 minutes of cold water immersion after every workout reduced muscle mass gains by 67%. A 2021 meta-analysis of eight studies confirmed the damage.

By James Haworth · May 28, 2026 · ⚡⚡⚡⚡ 4/5

Empty basketball arena with referee whistle on hardwood court

🏀 Sports & Statistics

NBA Playoff Series Go to Seven Games Less Often Than Math Predicts. The Rigging Theory Gets the Numbers Backward.

An original analysis of 345 best-of-7 series finds Game 7s occur 15% less often than probability models predict. The conspiracy theory relies on a decade-old mathematical error.

By Marcus Reeves · May 27, 2026 · ⚡⚡⚡⚡ 4/5

Shattered ceramic pieces scattered on a concrete floor in soft diffused light

🧠 Psychology

Rage Rooms Charge $50 to Smash Things. A Meta-Analysis of 154 Studies Found Venting Anger Makes It Worse.

A 2024 meta-analysis of 10,189 participants found that venting anger has an effect size of essentially zero. Deep breathing and meditation cut anger by a medium-large margin.

By Daniel Koresh · May 25, 2026 · ⚡⚡⚡⚡ 4/5

A vast library of open books on wooden tables stretching into warm golden light

📊 Social Science

We Reviewed 25 Counterintuitive Findings. One Pattern Explains Why Bad Ideas Survive Good Evidence.

Across 26 articles, more than 400 experiments, and over 5 million research subjects, a single structural failure keeps disproved beliefs alive.

By Marcus Reeves · May 24, 2026 · ⚡⚡⚡⚡ 4/5

An unmade bed in a sunlit room

Doctors Prescribed Bed Rest for Back Pain for Decades. A Landmark Trial Found It Made Recovery Slower.

A Finnish RCT of 186 workers found that those told to stay in bed recovered slowest. A Cochrane review confirmed it.

By Rebecca Liang · May 24, 2026 · ⚡⚡⚡ 3/5

Gloved surgical hands holding a laparoscopic instrument against a softly lit background of operating room monitors

Surgeons Who Play Video Games Make 37% Fewer Errors and Operate 27% Faster

A study of 33 surgical residents found that those who played video games more than three hours a week committed 37% fewer errors and completed laparoscopic procedures 27% faster than their non-gaming colleagues.

By James Haworth · May 23, 2026 · ⚡⚡⚡ 3/5

Empty modern office floor at dawn with morning light streaming through floor-to-ceiling windows

Companies That Forced Workers Back to the Office Got Worse, Not Better. Three Studies Exposed the Damage.

An analysis of S&P 500 firms found no improvement in profits or stock value after return-to-office mandates. A separate study tracking 3 million workers found the best employees left first. A randomized trial found hybrid work cut attrition by a third with zero productivity loss.

By Marcus Reeves · May 22, 2026 · ⚡⚡⚡⚡ 4/5

A single wine glass on a weathered wooden table casting a long shadow in warm golden evening light

The Largest Study of Alcohol and Lifespan Found That "Moderate Drinking" Doesn't Help You Live Longer

A meta-analysis of 107 cohort studies tracking 4.8 million people found that the apparent longevity benefit of one or two drinks a day vanishes entirely once you stop counting sick former drinkers as "abstainers."

By Rebecca Liang · May 22, 2026 · ⚡⚡⚡⚡ 4/5

A quiet village market scene at dawn with empty wooden stalls and scattered coins on a weathered counter

Microcredit Was Supposed to End Poverty. Six Randomized Trials Across Four Continents Found It Doesn't.

A special issue of the American Economic Journal brought together six independent randomized controlled trials spanning India, Morocco, Ethiopia, Bosnia-Herzegovina, Mongolia, and Mexico. The combined evidence: microcredit modestly increases business activity but does not raise incomes, reduce poverty, or empower women.

May 21, 2026 8 min read ⚡⚡⚡⚡ 4/5

A quiet kitchen table at dawn with a single empty plate and a cup of black coffee, warm morning light streaming through a window

🍽️ Nutrition

Breakfast Is Not the Most Important Meal of the Day — and Eating It May Make You Gain Weight

A Monash University meta-analysis of 13 randomized controlled trials found no evidence that breakfast aids weight loss. Breakfast eaters consumed 260 extra calories per day and weighed slightly more than those who skipped it entirely.

May 20, 2026 7 min read ⚡⚡⚡⚡ 4/5

A quiet hospital corridor at dawn with morning light streaming through frosted glass windows

700,000 Knee Surgeries a Year. A Sham-Controlled Trial Found the Procedure Works No Better Than Placebo.

The Finnish FIDELITY trial randomized 146 patients with degenerative meniscal tears to arthroscopic partial meniscectomy or sham surgery. At 12 months, outcomes were identical. At 10 years, the surgery group had more osteoarthritis and three times the rate of knee replacement.

May 21, 2026 7 min read ⚡⚡⚡⚡ 4/5

A bowl of colorful candy on a wooden table with soft natural light surrounded by scattered sugar cubes and green leaves

🍽️ Nutrition

Sugar Does Not Make Children Hyperactive — A Meta-Analysis of 23 Studies Found Zero Evidence

A JAMA meta-analysis pooling 23 double-blind, placebo-controlled experiments found that sugar has no measurable effect on children's behavior or cognitive performance. The "sugar high" persists as a cultural belief driven almost entirely by parental expectation.

May 21, 2026 7 min read ⚡⚡⚡⚡ 4/5

Aerial view of a rural village with metal roofs glinting in warm morning light surrounded by green fields

Poor Families Given $709 With No Strings Attached Spent Less on Alcohol, Not More

A randomized trial of 1,440 households in rural Kenya found that unconditional cash transfers raised consumption by 22%, increased assets by 61%, and improved psychological well-being, while spending on alcohol and tobacco did not increase.

May 20, 2026 8 min read ⚡⚡⚡⚡ 4/5

An empty sunlit lecture hall with warm afternoon light streaming through windows onto rows of wooden desks

93% of Teachers Believe in Learning Styles. After Reviewing All the Evidence, Four Psychologists Found Almost None.

A landmark review examined 50 years of learning-styles research and found virtually no evidence that matching instruction to a student's preferred style improves outcomes.

An open notebook on a wooden desk surrounded by scattered highlighter pens with morning light filtering through a nearby window

Highlighting and Rereading Are Nearly Useless: A Review of Hundreds of Experiments Found Only 2 of 10 Common Study Strategies Actually Work

A landmark review of 10 study techniques across hundreds of experiments rated highlighting, rereading, and summarization as low utility. Only practice testing and distributed practice earned the highest rating.

May 20, 2026 7 min read ⚡⚡⚡⚡ 4/5

A dimly lit window at dawn with warm golden light breaking through, a solitary chair nearby in a quiet room

Skipping a Single Night of Sleep Relieves Depression Faster Than Any Known Drug

A meta-analysis of 66 studies spanning 45 years found that acute sleep deprivation produces rapid antidepressant effects in roughly half of depressed patients.

May 20, 2026 7 min read ⚡⚡⚡⚡ 4/5

Microscopic view of glowing fibroblast cells migrating across tissue illuminated by warm golden light

Your Wounds Heal 60% Slower at Night Because Your Skin Cells Keep Their Own Clock

A study of 118 burn patients found nighttime injuries took 28 days to heal versus 17 for daytime burns, driven by circadian rhythms in individual skin cells.

May 20, 2026 6 min read ⚡⚡⚡⚡ 4/5

Long institutional corridor with warm golden light falling through high windows, autumn trees visible outside

"Scared Straight" Programs Were Supposed to Deter Crime. Nine Randomized Trials Found They Increased It.

A Cochrane systematic review of 946 juveniles across nine experiments found that prison-visit deterrence programs raised the odds of reoffending by 68%.

Sunlit room filled with rows of potted plants on shelves, light filtering through large windows

🌍 Environment

Your Houseplants Aren't Cleaning the Air. A 30-Year Review Found They'd Need to Outnumber Your Furniture 100 to 1.

A Drexel University review of 196 experiments across 12 studies found that potted plants remove VOCs so slowly that you'd need 10 to 1,000 plants per square meter to match basic ventilation.

May 20, 2026 6 min read ⚡⚡⚡⚡ 4/5

A large antique wall clock casting a long shadow across a golden wheat field at sunset

Daylight Saving Time Was Created to Save Energy. A Study of 7 Million Indiana Households Found It Does the Opposite.

A natural experiment exploiting Indiana's 2006 statewide adoption of DST found it increased residential electricity consumption by 1–4%, costing households $9 million per year.

May 20, 2026 5 min read ⚡⚡⚡⚡ 4/5

An open economics textbook resting on fallen autumn leaves beside a quiet stream

Billions Are Spent Teaching People About Money. A Meta-Analysis of 168 Studies Found It Explains 0.1% of Their Financial Behavior.

The most comprehensive meta-analysis of financial education research found that teaching people about compound interest, budgeting, and debt management accounts for essentially none of their actual financial decisions.

May 20, 2026 5 min read ⚡⚡⚡⚡ 4/5

Empty open office floor with rows of desks, a lone figure wearing headphones in the distance

📊 Social Science

Open Offices Were Designed to Boost Collaboration. A Harvard Study Found They Cut It by 70%.

Two Fortune 500 companies outfitted employees with sociometric sensors before and after converting cubicles to open plans. Face-to-face conversation plummeted while email and instant messaging surged.

May 20, 2026 5 min read ⚡⚡⚡⚡ 4/5

Scattered supplement pills on a wooden surface

🍽️ Nutrition

Taking Antioxidant Supplements Raises Your Risk of Dying

A Cochrane review of 78 trials and 296,707 participants found that beta-carotene and vitamin E supplements increase all-cause mortality.

May 20, 2026 5 min read ⚡⚡⚡⚡ 4/5

Mirror reflection showing distorted perspective

🧠 Psychology

Repeating "I Am Lovable" Made People With Low Self-Esteem Feel Worse

Experiments at the University of Waterloo found that positive self-statements backfired for those who needed them most.

May 19, 2026 5 min read ⚡⚡⚡⚡ 4/5

Lone figure with a notebook

📊 Social Science

Brainstorming in Groups Produces Fewer Ideas Than Working Alone

A meta-analysis of 20 studies found that brainstorming groups generate fewer ideas than the same number of people working independently.

May 19, 2026 5 min read ⚡⚡⚡⚡ 4/5

Athletic figure stretching

🏋️ Fitness

Stretching Before Exercise Does Not Prevent Injuries

A systematic review of 25 RCTs found stretching had no injury prevention benefit, while strength training cut risk by over a third.

May 19, 2026 5 min read ⚡⚡⚡ 3/5

Person running through a forest

🏋️ Fitness

Exercise Burns Far Fewer Calories Than You Think

A study of 332 adults across five populations found total energy expenditure plateaus above moderate activity. Your body compensates.

May 19, 2026 5 min read ⚡⚡⚡⚡ 4/5

Rows of jars stretching into the distance

🧠 Psychology

More Options Make People Less Likely to Choose — and Less Happy When They Do

Consumers were 10× more likely to buy jam when offered 6 options instead of 24. More choice led to worse decisions and lower satisfaction.

May 19, 2026 5 min read ⚡⚡⚡⚡ 4/5

Teenager playing peacefully

🧠 Psychology

The Largest Registered Study of Video Game Violence Found No Link to Aggression

A pre-registered Oxford study of 1,004 adolescents using objective violence ratings found zero relationship with aggressive behavior.

May 19, 2026 5 min read ⚡⚡⚡⚡ 4/5