⚕️ Medicine & Health
175 entries
If You Shave, Your Hair Grows Back Thicker and Darker
Shaving creates the appearance of thicker hair, but doesn't change growth
The MMR Vaccine Causes Autism
Andrew Wakefield's fraudulent 1998 Lancet paper was retracted after fabrication was exposed
Sugar Makes Children Hyperactive
Scientific studies show no causal link between sugar and hyperactivity
Swallowed Gum Stays in Your Stomach for Seven Years
Gum passes through your digestive system normally
Eating eggs significantly raises cholesterol and heart disease risk
Dietary cholesterol has minimal impact on blood cholesterol for most people
Cigarettes are safe and doctors recommend them
Cigarettes are highly addictive and cause cancer; doctors now universally recommend against smoking
You Need Eight Glasses of Water a Day
There is no scientific basis for the number; it appears to be a 1945 footnote that nobody followed up on
Vaccines cause autism
Fraudulent study retracted; millions of studies confirm vaccine safety
Your Blood is Blue Until It Hits Oxygen
Blood is always red, but veins appear blue through your skin
If You Cross Your Eyes They'll Get Stuck That Way (Permanent Version)
You can't hold a cross-eyed position indefinitely due to muscle fatigue
Sitting Too Close to the TV Will Ruin Your Eyesight (Permanent Damage)
It might cause temporary eye strain, but not permanent damage
Swimming After Eating Causes Cramps and You'll Drown
Digestion doesn't prevent swimming; immediate swimming might cause mild discomfort
Cracking Your Knuckles Leads to Arthritis and Joint Damage
Joint cracking doesn't increase arthritis risk; it's caused by gas bubbles
Diseases Spread Through Bad Air Called Miasma
Germ theory displaced miasma once microscopic organisms were identified
Masturbation Causes Insanity, Blindness, and Physical Degeneration
No causal link exists; the 'masturbatory insanity' diagnosis reflected moral panic rather than medicine
Human Races Exist in a Natural Hierarchy with Inherent Intellectual and Moral Differences
Scientific racism was pseudoscience; modern genetics shows all humans are one species with trivial genetic variation
mRNA Vaccines Permanently Alter Your DNA
mRNA is destroyed by your body within days; it cannot integrate into chromosomal DNA
5G Towers Cause Cancer
Non-ionising radio waves below the threshold to break a chemical bond, let alone a DNA strand
Gluten-Free Is Healthier for Everyone
If you don't have coeliac disease or diagnosed sensitivity, gluten-free swaps usually have less fibre and more sugar
Shaving Makes Hair Grow Back Thicker
Shaving doesn't affect hair thickness, just creates blunt edges
Carrots Give You Perfect Vision
Carrots improve vision only if you're deficient in vitamin A
Eating Fat Makes You Fat
Excess calories from any source cause weight gain; dietary fat is essential
Running Ruins Your Knees
Moderate running doesn't increase knee osteoarthritis risk
Cold Weather Causes the Common Cold
Cold viruses spread year-round; winter cold doesn't cause illness
Sharks Never Get Cancer
Sharks develop cancer; the myth fuelled failed treatments
George Washington Had Wooden False Teeth
Washington's dentures were made of ivory, gold, and human teeth
Organ Thieves Steal Kidneys from Tourists
A widespread myth with no verified cases
Cracking Your Knuckles Causes Arthritis
Research shows no connection to joint damage
You Must Wait 30 Minutes After Eating Before Swimming
The risk of cramping from swimming after eating is minimal
Feed a Cold, Starve a Fever
Both conditions benefit from proper nutrition
Hair Grows Back Thicker After Shaving
Shaving has no effect on hair thickness or growth rate
Sitting Too Close to the TV Damages Your Eyes
Proximity to screens causes strain, not permanent damage
Michael Jackson Bleached His Skin to Appear White
Jackson had vitiligo; he used cosmetics and skin treatments for this condition
Margarine is a healthier choice than butter
Butter contains more natural fats; early margarines had harmful trans fats
Lobotomy is an effective cure for mental illness
Lobotomies caused severe permanent brain damage and were abandoned
Thalidomide is a safe and effective morning sickness treatment for pregnant women
Thalidomide causes severe birth defects; its approval is considered a major pharmaceutical tragedy
Tilt your head back to stop a nosebleed
Head tilting sends blood down the throat; proper first aid is leaning forward
Breakfast is the most important meal of the day
Meal timing's importance varies by individual; total daily nutrition matters more
Static stretching before exercise prevents muscle injuries
Dynamic warm-up is superior; static stretching before exercise may reduce performance
BMI is a definitive measure of health status
BMI ignores muscle mass, bone density, and overall fitness; it's one of many health indicators
Cholesterol in food directly raises cholesterol in your blood
Body regulates cholesterol; dietary cholesterol has minimal impact for most people
Bed rest is the best treatment for back pain
Bed rest can worsen back pain; gentle movement and physical therapy are more effective
Eating sugar directly causes diabetes
Type 2 diabetes is caused by insulin resistance from multiple factors including genetics and lifestyle
Detox diets and cleanses remove toxins and improve health
Liver and kidneys naturally detoxify; commercial cleanses have no proven benefits
Vitamin C Stops Colds
Modest, slow, and only if you take it daily before you ever catch one
Blood is blue inside your body and red when exposed to air
Blood is always red; oxygen changes shade but not base colour
Cracking knuckles does not cause arthritis
Cavitation sound is harmless; long-term studies show no arthritis link
Cell phones cause brain tumors from radiation
Mobile phone radiation is non-ionizing; large studies show no reliable link
Sitting too close to TV ruins your eyesight
Causes temporary eye strain; no permanent damage occurs
If You Swallow Your Tongue You'll Die
You can't swallow your tongue; it's anchored in place
If You Swallow Gum It Gets Stuck in Your Throat
Gum passes through safely; it doesn't lodge in your throat
Different Parts of Your Tongue Taste Different Flavors
All taste receptors exist throughout the tongue, though sensitivity varies slightly
Going Outside with Wet Hair Makes You Sick or Catch a Cold
Colds are caused by viruses, not by temperature or wet hair
Personality and Abilities Are Revealed by Skull Bumps
Phrenology was rejected by neuroscience
Maggots Spontaneously Generate from Decaying Meat
Life does not emerge from inanimate matter, Pasteur and Lister proved it
Phrenology: Skull Bumps Reveal Character and Intelligence
Brain localization theories were wrong; personality isn't mapped on cranial topography
Disease Results from Imbalance of Four Bodily Humours
Modern pathology replaced humoral theory with cellular and microbial mechanisms
Mental Illness Results from Demonic Possession or Moral Failing
Psychiatric medicine recognises mental illness as neurological and psychological in origin
Vaccines Contain Dangerous Levels of Mercury (Thimerosal)
Thimerosal was removed from most vaccines, but remaining traces pose no health risk
Vaccines Contain Microchips for Tracking
Impossible physics: microchips too large for hypodermic needles and require power sources
COVID mRNA Vaccines Were Rushed and Untested
mRNA vaccine platform developed over 30 years; clinical trials followed all safety protocols
The Flu Vaccine Gives You the Flu
The vaccine contains inactivated virus and cannot cause influenza infection
Theranos' Proprietary Blood Tests Were Not as Revolutionary as Claimed
The company and CEO Elizabeth Holmes perpetuated fraudulent claims about technology capabilities
Redback Spiders Are Australia's Deadliest Spider
Redbacks haven't caused a death since antivenom was introduced in 1956; funnel-webs are far more dangerous
5G Technology Causes Health Problems or Spreads Disease
5G frequencies are non-ionizing radiation; no scientific evidence links them to COVID-19 or health harm
Blue Light Glasses Stop Screens Damaging Your Eyes
The screens aren't damaging your eyes; the glasses aren't doing anything
Microplastics Are Slowly Poisoning Everyone
They're definitely everywhere. The 'poisoning' part is several confidence-of-the-data steps further than the headlines
Cold Plunge After Every Workout for Recovery
It blunts the muscle adaptation you just did the workout for
Adderall Is Just Strong Caffeine
It's a Schedule II amphetamine; coffee is a different drug at a different scale of effect and risk
BMI Is an Accurate Measure of Fitness
It was invented in 1832 by a Belgian astronomer to study the average man, not assess any individual one
Sitting Is the New Smoking
Smoking kills around eight million people a year. Sitting does not.
Life Can Arise Spontaneously from Non-Living Matter
Pasteur and others proved life arises only from life
The Food Pyramid Is the Ideal Nutrition Guide
Replaced by MyPlate; pyramid design promoted excess grains
Microwave Ovens Emit Dangerous Radiation
Microwaves use non-ionizing radiation; properly designed ovens are safe
Drowning Always Looks Dramatic with Splashing
Drowning is often silent; victims may not be able to call for help
Brain Cells Cannot Be Regenerated
Neurogenesis occurs throughout life in specific brain regions
Hair and Fingernails Continue Growing After Death
Skin dehydration makes hair and nails appear to grow
Brown Sugar Is Healthier Than White Sugar
Nutritionally equivalent; brown sugar is white sugar plus molasses
MSG (Monosodium Glutamate) Damages Taste Buds
MSG is safe; it's umami, a naturally occurring taste
Going Outside with Wet Hair Causes Colds
Wet hair doesn't cause colds, viruses do
Reading in Dim Light Ruins Your Eyesight
Poor lighting causes eye strain, not permanent damage
Eating Spicy Food Causes Ulcers
Bacteria and acid, not spice, cause ulcers
Nails and Hair Continue Growing After Death
Skin shrinkage creates the illusion of growth
Waking a Sleepwalker Is Dangerous or Harmful
Waking sleepwalkers is safe and often advisable
Bloodletting cures disease by balancing bodily humors
Bloodletting caused weakness and infection; modern medicine uses blood tests instead
Teething directly causes high fevers in babies
Teething causes mild temperature elevation; high fevers indicate infection, not teething
Ice baths after exercise speed recovery and prevent soreness
Ice baths may impair strength gains and muscle adaptation
Antibiotics effectively treat viral infections like colds and flu
Antibiotics only kill bacteria; viral infections require supportive care
MSG is a dangerous food additive that causes serious health problems
MSG is safe in normal amounts; 'Chinese Restaurant Syndrome' was never proven
Most people are sensitive to gluten or have gluten intolerance
Only about 1% have celiac disease; non-celiac gluten sensitivity is rare and debated
All carbohydrates are unhealthy and cause weight gain
Refined carbs differ from whole carbs; carbs are essential for brain and body function
Organic food is always healthier than conventional
Nutrition similar; main benefit is reduced pesticide residues
Eating carbs at night makes you gain more weight
Timing has minimal effect; total calories matter
Microwaves produce dangerous radiation in food
Non-ionizing radiation is safe; properly sealed ovens safe
All plastic containers leach dangerous chemicals
Food-grade plastics are safe at room temperature
Wet hair causes colds or pneumonia
Viruses cause colds, not temperature or wet hair
Hydrogen peroxide is best for cleaning wounds
Damages healthy tissue; saline or water is better
Fluoride in water is used for mind control by government
Fluoride at water levels prevents tooth decay; no mind control mechanism exists
MSG causes Chinese Restaurant Syndrome
Syndrome was never validated scientifically
Poinsettias are highly toxic to humans
Mildly toxic at worst; causes minor symptoms if ingested
Peanut allergies are caused by early over-introduction to children
Early introduction may actually reduce allergy risk
Some people are 'double-jointed' with extra joints
Flexibility is from loose ligaments, not extra joints
Caffeine dehydrates you significantly
Caffeine causes mild diuretic effect; hydration impact is minimal
Turkey contains special amino acid that makes you sleepy
Tryptophan is common in many foods; post-meal sleepiness from carbs and full stomach
Staring at the sun causes immediate blindness
Sun exposure causes gradual retinal damage and photochemical burns
Red wine is heart-healthy due to resveratrol
Resveratrol amounts in wine are tiny; any benefit is offset by alcohol risks
Vaccines contain dangerous metals like mercury
Mercury levels are trace; removed from most vaccines decades ago
Artificial sweeteners like aspartame cause cancer
Extensive safety testing shows acceptable safety at typical intake levels
Brain freeze from ice cream can cause permanent damage
Brain freeze is temporary pain; no damage occurs
Double-Jointed People Have Extra Joints
They have the same number of joints, just greater flexibility
Reading in Dim Light or Darkness Permanently Damages Your Eyes
Low light causes temporary eye strain, not permanent damage
Living Things Contain a Vital Force
Vitalism was replaced by biochemistry
Peptic Ulcers Are Caused Only by Stress and Spicy Food
Helicobacter pylori bacteria is the primary cause
Mercury and Arsenic Are Effective Medical Treatments for Syphilis and Other Diseases
Mercury has limited efficacy and severe toxicity; penicillin replaced it as the treatment of choice
Laudanum (Opium Tincture) Is an Effective Cure for Cholera, Dysentery, and Insomnia
Opium provides symptomatic relief but is highly addictive and ineffective against underlying disease
Vaccines Cause Sudden Infant Death Syndrome (SIDS)
Timing creates false correlation; SIDS actually decreased after vaccine schedules were introduced
Too Many Vaccines Overwhelm a Child's Immune System
The immune system handles thousands of antigens daily; vaccines use a tiny fraction
Natural Immunity Is Always Better Than Vaccine Immunity
Natural immunity requires infection (with disease risk); vaccine immunity is safer and often comparable or superior
Vaccines Cause the Disease They're Meant to Prevent
Inactivated and mRNA vaccines cannot cause disease; live vaccines can cause rare reactions, but serious disease is vanishingly rare
HPV Vaccine Promotes Promiscuity
Large studies show no behaviour change; vaccine prevents cervical cancer in multiple populations
Herd Immunity Can Be Achieved Without Vaccination
Natural herd immunity requires massive disease burden and mortality; vaccination achieves immunity with negligible risk
Vaccines Contain Fetal Tissue From Aborted Babies
Vaccines use cell lines derived decades ago; no aborted tissue in final product
Unvaccinated Children Are Healthier
Vaccinated children have fewer infections and hospitalizations; unvaccinated face preventable disease burden
Surgisphere COVID-19 Hydroxychloroquine Study Was Fraudulent Data
2020 Lancet paper retracted after data integrity concerns revealed likely fabrication
Cell Phones Cause Brain Cancer
WHO classifies RF as 'possibly carcinogenic,' but decades of epidemiology show no causal link
Blue Light from Screens Causes Permanent Eye Damage
Blue light causes digital eye strain but not retinal damage; sunlight exposure poses larger photochemical risk
Wifi Is Slowly Cooking Your Brain
Wifi is non-ionising radio at about a thousandth of the power of the sun on your face
Stomach Acid Can Dissolve Anything
Stomach acid is strong but doesn't dissolve living stomach tissue
Febrile Seizures Are Dangerous and Cause Brain Damage
Most febrile seizures are benign; long-term consequences are rare
Broken Glass Will Cut Your Stomach If Swallowed
Glass typically passes safely through the digestive system
Mixing Watermelon and Soda Will Make Your Stomach Explode
This combination is harmless though uncomfortable
Eating Peanuts Causes Acne and Pimples
No scientific link between peanuts and acne
Chocolate Causes More Tooth Decay Than Other Candy
Dark chocolate may actually protect teeth
Caffeine Stunts Children's Growth
No scientific evidence for this connection
Itching Palms Means Money Is Coming
Itching is usually caused by dermatological conditions
Holding Your Breath Cures Hiccups
This might work due to distraction or breathing control
Trepanning (skull drilling) releases evil spirits causing mental illness
Trepanning was dangerous and ineffective; mental illness has biological causes
Mercury is a safe and effective medical treatment
Mercury is a toxic poison; historical mercury treatments caused severe harm
Alkaline water is healthier than regular water
Body pH is tightly regulated; alkaline water has no proven health benefits
All salt should be eliminated entirely
Sodium is essential; excess is problematic
Everyone should take daily aspirin for heart health
Aspirin only benefits high-risk groups; increases bleeding risk
Sleeping with a fan on overnight causes death
Korean urban legend; scientifically unsupported
You can burn your tongue more easily than other mouth tissues
All mouth tissues have similar heat sensitivity
Penicillin is a miracle cure with no side effects
Penicillin is highly effective but carries allergy risks
Drinking water immediately after eating harms digestion
Water does not interfere with normal digestion
Burning your tongue temporarily destroys taste buds
Taste returns within days; taste buds are replaced quickly
Power lines cause cancer through electromagnetic radiation
Electromagnetic fields from power lines are non-ionizing; no proven cancer link
Cooking in aluminum foil causes Alzheimer's disease
Dietary aluminum from foil is minimal; no proven Alzheimer's link
Microplastics from water bottles are severely toxic
Microplastics present but health impact unclear at current exposure levels
Sour candy dissolves your teeth completely
Acidic candies damage enamel but don't dissolve teeth
Doctors kill organ donors to harvest organs
Medical ethics and legal frameworks prevent this; no evidence exists
WiFi routers emit dangerous radiation causing illness
WiFi uses non-ionizing radiation at safe levels
Heartburn means your stomach acid is too strong
Heartburn usually results from sphincter weakness or timing, not acid strength
Cold sores on lips mean you have sexually transmitted herpes
Cold sores (HSV-1) are separate from genital herpes (HSV-2)
You Can Train Your Body to Never Get Dizzy from Spinning
Balance training helps, but your vestibular system still responds to rotation
A Mother's Experiences During Pregnancy Mark the Fetus
Maternal impression theory lacks biological basis
Only Type 1 Diabetics Need Insulin
Type 2 diabetes often requires insulin therapy
Maternal Impressions During Pregnancy Shape the Unborn Child's Form and Temperament
Maternal impression theory has no biological basis; development follows genetic and physiological principles
Telegony: Previous Sexual Partners Influence a Woman's Offspring with New Partners
Telegony has no biological basis; heredity follows Mendelian principles, not mating history
Vaccines Aren't Necessary Because Diseases Were Already Declining
Death rates fell but infection rates didn't; vaccines provided the final, decisive step
The Polio Vaccine Caused More Polio Than It Prevented (Cutter Incident)
The 1955 Cutter Incident was real but contained; it led to safer vaccines, not abandonment of vaccination
Aluminum in Vaccines Is Toxic
Vaccine aluminum levels are tiny and quickly excreted; dietary aluminum exposure is 100x higher
Facilitated Communication Allows Non-Speaking Autistic People to Communicate
Controlled studies proved the facilitator, not the client, was controlling the communication
Recovered/Repressed Memories of Childhood Abuse Were Therapy-Induced False Memories
1980s-90s phenomenon; extensive research shows suggestive therapy techniques created false memories
WiFi Causes Cancer and Health Problems
WiFi operates at 2.4 GHz non-ionizing frequency; no epidemiological evidence supports health claims
Drinking Cold Water with Meals Prevents Digestion
Water temperature doesn't significantly affect digestion
Fat-soluble vitamins are safe in unlimited amounts
Vitamins A, D, E, K can accumulate and cause toxicity at high doses
Humans are 75% water instead of 60%
Body water percentage varies by age, fat content, and individual
Your stomach lining is completely replaced every three days
Stomach epithelium is replaced every 3-5 days; claims vary by source
Hot chocolate and blood type compatibility is real
Blood type affects transfusions, not beverage tolerance
Blind people develop superhuman echolocation abilities
Some blind people develop modest echolocation; it's skill, not superhuman power
Tropical Climates Are Dangerous or Impossible for European Settlement
Tropical disease and climate posed challenges, but European adaptation proved feasible
The DPT Vaccine Causes Brain Damage
1980s panic based on anecdotal reports; rigorous studies found no causal link
Hwang Woo-suk's Human Embryonic Stem Cell Breakthrough Was Fraudulent
The 2004-2005 fraud involved fabricated cloning data and image manipulation