49 Health “Facts” You’ve Been Told All Your Life That Are Totally Wrong

Carrots give you night vision. Swimming after snacking will give you aches. You need to imbibe eight glasses of water a day. Organic meat is more nutritious and free of pesticides.

Nope , nope , nope, and nope.

Who hasn’t shared these and other amazing-sounding notions about about health and the human body, exclusively to find perplexed later on — when you find out the information was inaccurate or flat-out inaccurate?

It’s time to put an end to these alluring illusions, delusions, and blunders passed down through the ages.

To help the cause we’ve rounded up and corrected dozens of the most popular health “facts” that we’ve heard.

Have any favorites we missed? Route them to science @techinsider. io.

Kevin Loria, Lauren Friedman, Kelly Dickerson, Jennifer Welsh, and Sean Kane contributed to this announce. Robert Ferris contributed to a previous form .

MYTH: Milk does a organization good !

This is an unbelievably successful chip of announce that has snaked its path into our abilities and policies to start milk seem magical.

The US Department of Agriculture am saying that adults should booze three goblets of milk a daylight, principally for calcium and vitamin D.

However, various subjects show that there isn’t industry associations between imbibing more milk( or making calcium and vitamin D adds-on) and having fewer bone fractures.

Some considers have even proven industry associations with higher overall death, and while that doesn’t means that milk consumption itself was responsible, it’s surely not an endorsement.

Roots: Business Insider, NYTimes, Journal of Bone Mineral Research, JAMA Pediatrics, The Lancet, British Medical Journal

MYTH: Organic menu is pesticide-free and more nutritious .< em>

naotakem via Flickr

Organic food isn’t free of pesticides and it isn’t undoubtedly better for you.

Farmers who develop organic produce are permitted to use substances that are naturally received — and in a number of cases are actually worse for the environment than their synthetic equivalents. Nonetheless, pesticide status on both organic and non-organic foods are so low that they aren’t of regard for intake, according to the USDA.

Eating organic food also doesn’t “re coming with” any nutritional assistances over non-organic food, according to its evaluation of 98,727 potentially related studies.

Sources: University of California – Berkeley, Annals of Internal Medicine, The American Journal of Clinical Nutrition

MYTH: Eating food within 5 seconds of declining it on the floor is safe .

It’s the worst when something “youve been” wanted to eat falls on the floor. But if you grab it in five seconds, it’s ok, right?

The five-second-rule isn’t a real thing. Bacteria can adulterate a meat within milliseconds.

Mythbusting measures show that moist menus attract more bacteria than cool nutrients, but there’s no “safe duration.” Instead, refuge depends on how clean-living the surface you slipped the meat on is.

Whether you eat it or not after that is up to you, but if the people that move on that floor are too walking around New York City, for example, we wouldn’t recommend it.

Informants: Business Insider, Discovery.com

MYTH: The compound tryptophan in turkey spawns you sleepy .

Who doesn’t enjoyed the post-Thanksgiving siestum? After all, goose contains tryptophan — an amino acid that is a component of some of the mentality compounds that help you relax.

But plenty of nutrients contain tryptophan. Cheddar cheese has even more than goose, yet cheddar is never pointed out as a sleep inducing food.

Experts say that instead, the carbs, alcohol, and general immensity of the turkey-day feast is the reason for those delicious holiday siestas.

Informants: Business Insider, LiveScience

MYTH: Eating chocolate gives you acne .


For one month, scientists fed dozens of people candy bars containing 10 periods the usual quantity of chocolate, and dozens of others forge chocolate bars.

When they weighed the zits before and after each food, there are still “no difference” between the two groups. Neither the chocolate nor the solid seemed to have any consequence on acne.

Source: JAMA

MYTH: An apple a date keeps the doctor away .

Apples are backpack with vitamin C and fiber, both of that are of importance to long-term health, but they aren’t all you need.

And if sure-fire viruses or bacteria get into your structure, an apple will unfortunately do nothing to protect you.

Go ahead and get that influenza shooting, even if you munch apples.

Source: Business Insider

MYTH: Natural sugar like honey is better for you than processed carbohydrate .

A granola bar moved with sugar instead of high-fructose corn syrup is not better for you.

That’s because sugar in natural products like fruit and synthetic commodities like sugar is the same: “Scientists would be surprised be informed about the ‘clear superiority’ of sugar, since there is a near unanimous consensus that the biological effect of high-fructose corn syrup are essentially the same as those of sugar, ” professor Alan Levinovitz told Business Insider.

The problem is that candy and other related concoctions typically contain more carbohydrate per serving, which represents more calories — certain differences you should actually be watching out for.

Informants: Business Insider, SciShow, Dr. Joy Dubost/ Huffington Post

MYTH: Chocolate stunts your growth .

Susanne Nilsson/ Flickr

Most research ascertains no correlation between caffeine intake and bone proliferation in kids.

In adults, investigates have seen that increased caffeine consumption can very slightly restraint calcium absorption, but the impact is so small that a tablespoon of milk will more than adequately offset the effects of a beaker of coffee.

Advertising seems to be mainly responsible for this myth: Cereal manufacturer listed C.W. Post was trying to market a morning liquid called “Postum” as an alternative to chocolate, so he ran ads on the “evils” of Americans’ favorite sizzling refreshment, calling it a “nerve poison” that should never be served to children.

Sources: Business Insider( 1, 2 ), Smithsonian Magazine

MYTH: Eating ice cream will acquire your cold worse .

If you’re home sick with a freezing, you can totally plow ahead and comfort yourself with some ice cream.

The idea that dairy grows mucous production is very fortunately absolutely no truth to the rumors, according to researchers and a medical doctor at the Mayo Clinic, who responds “in fact, frozen dairy concoctions can soothe a absces throat and provide calories when you otherwise may not eat.”

Bless him.

Informants: Business Insider, American Review of Respiratory Disease, Mayo Clinic

MYTH: Sugar is as addictive as heroin .

In the 2009 work “Fat Chance, ” the author, Dr. Robert Lustig, claims that carbohydrate arouses the brain’s reward system the same action that tobacco, booze, cocaine, and even heroin does, and therefore must be equally addictive. Lustig even quotes contemplates that depict parts of our brain that light-up from a sugary wage share the same sides that get excited for numerous types of entertaining acts, from sucking alcohol to having sex.

The problem, nonetheless, with these types of science studies of the psyche is that “In neuroimaging, there is no clear-cut ratify of craving, ” Hisham Ziaudden, an eating behavioral expert, told Levinovitz.

So, scientists don’t know what craving in the ability consider this to be, hitherto, and until that whodunit is solved we should not be living in fear from something as imaginative as sugar addiction.

Source: Business Insider( 1, 2 ), “Fat Chance

MYTH: Carbohydrate and chocolates are aphrodisiacs .

In the mid 19 th century — before carbohydrate purportedly caused diabetes or hyperactivity — sugar was thought to ignite sexual desire in wives, brats, and, more controversially, the poor.

One vintage Kellogg advertisement even claimed “Candies, spices, cinnamon, cloves, peppermint, and all strong centers powerfully elicited the genital organs and lead to the[ lone vice ]. “

So don’t get worked up over carbohydrate. There’s little to no sign to support the notion that it — or any menu, including chocolates — animates sexual desire.

Generators: Business Insider, Mayo Clinic

MYTH: Carbohydrate compels hyperactivity in progenies .

Numerous science studies have tried and failed to find any evidence that supports this off-the-wall notion.

The myth probably have appeared in 1974, when Dr. William Crook wrote a letter to the American Academy of Pediatrics, which produced it. “Only in the past three years have I become aware that carbohydrate … is a leading cause of hyperactivity, ” the word stated.

A letter does not involving the thorough scientific research that a paper does, and according to the National Institute of Mental health issues: “The idea that refined sugar effects ADHD or reaches evidences worse is popular, but more experiment dismiss this theory than patronages it.”

Generators: University of Arkansas for Medial Discipline, Business Insider, NIH

MYTH: Your blood rotates blue when it’s out of oxygen .

Your blood is never blue: It transforms dark red when it’s not carrying oxygen.

Blood exclusively glances blue-blooded because you are seeing it through several mantles of tissue, which filters the color.

Source: UCSB ScienceLine

MYTH: Humen have five impressions .< em>

Sight, flavor, experience, hearing, and touch are just the beginning.

Don’t forget about balance, temperature, and period, as well as proprioception — their own bodies awareness that helps us not walk into thoughts all the time — and nociception, our smell of pain.

Source: Business Insider

MYTH: The hymen is a sheet of material that stymie a women’s vagina .

Flickr/ CarbonNYC


Guys, the hymen is a thin layer that only partially obstruction the vaginal opening — if a woman is bear with one at all.

Also, abundance of tasks other than sex can extend or mar the hymen, including exert or slipping a tampon.

Informants: Columbia University, College Humor

MYTH: Eating a lot of carrots gives you great night vision . sd

Vitamin A is a major nutrient may be in carrots, and it is good for the health of your eyes — especially those with poor perception. But munching a cluster of the vegetables won’t give your all-seeing superpowers.

The myth is thought to have started during as a piece of British publicity during World War II. That government wanted to confidential the fact that there is a radar engineering that allowed its bomber pilots to affect in the night.

Source: Tech Insider, Smithsonian Magazine

MYTH: Maternity gives people “baby brain” and constitutes you dumb .

Studies on this turn out mixed answers, at best.

Some examines on changes to working reminiscence during pregnancy do testify a small upshot on the brain, though other studies establish no negative impacts whatsoever.

There’s actually growing evidence that being pregnant concludes girls more organized and smarter, at the least, according to a study on rats.

It shapes feel, though, since pregnant women and brand-new fathers have a lot more to worry about and think about — for their psyches to keep up they may even be coming a boost.

Informants: Dr. Myra Wick/ Mayo Clinic, New Scientist

MYTH: Whisker and nails stop develop after fatality .

Hair and fingernails do not preserve growing once someone dies.

Instead, the surface dries out and shrinks, opening the appearance of farther growth.

Informants: Lecture Memoranda: Dermatology, Tech Insider

MYTH: Humen can’t develop new brain cells .

You are not born with all of the mentality cells you will ever have.

There is plenty of proof that the mentality continues to produce new cells in at least a few brain regions well into adulthood, through a process called neurogenesis.

Source: The Scientist

MYTH: It takes 7 years for gum to grasp if you swallow it .

flickr user: sembrandogirasoles


Gum is mostly indigestible, but the periodic immersed piece will pass through your bowels and exit the other side, just like anything else you devour that your form doesn’t require and can’t digest.

The only the circumstances in which immersed gums has caused a problem is when that gum is swallowed together with interesting thing that shouldn’t be in your stomach.

Scientific American quotes a situations where a 4-year-old girl suffered a gastrointestinal barrier — from a clod of gum with four coins inside of it.

Generators: Business Insider, Scientific American

MYTH: Your microwave can give you cancer and obstruct your pacemaker.

Microwave radiation won’t cause cancer, it only heats meat up.

Only a few types of radiation start cancer, and these will vary depending on the dose. Radiation from the sun can cause skin cancer, for example, but just enough helps your torso perform Vitamin D, too.

Microwaves also won’t stop a pacemaker. However, thoughts like anti-theft arrangements, metal detectors, strong refrigerator magnets, mobile phones, and even headphones can mess with the heartbeat-keeping devices.

Informants: Cancer Research UK, American Heart Association

MYTH: Drugs manufacture “holes” in your psyche .

That doesn’t convey medications are good for your brain.

Many treats( illegal and otherwise) can significantly alter your brain’s arrangement and disrupt its function. But none will turn a healthful mentality into a load of Swiss cheese.

Beginnings: Business Insider, Scientific American

MYTH: You need to wait an hour after snacking to swim or you can convulsion and drown .

The theory behind this seems to be that accepting meat will draw blood to your gut, means that little blood is available for your muscles, constructing them more likely to cramp.

But there’s no exhibit to support this claim.

In fact, numerous roots say there are no documented cases of anyone ever submerge because they’ve had a ache related to swimming with a full stomach.

Cramps do happen routinely when float, but they aren’t can be attributed to what’s in your belly. If you do get one, best available program is to float for a minute and make it pass.

Sources: Business Insider, Washington Post, TodayIFoundOut.com

MYTH: Taking your vitamins will continue you healthful .


Vitamins sound like a great sentiment: One capsule that can provide you everything “youve got to be” health!

If simply they worked.

Decades of research on vitamins hasn’t noted any reasons for our multivitamin dres, and in a number of cases, vitamins are really been associated with an increased risk of various types of cancers.

Beginnings: Business Insider, Scientific American

MYTH: Everyone should booze eight glasses of water a day .< em>

Hydration is very important, but the notion that eight glass of sea is all-important is a strange one.

In healthy people, investigates have not attained any the linkages between flowing intake and kidney infection, heart disease, sodium ranks, or skin quality.

But water is a calorie-free alternative to other liquors( specially sugary ones like soda or sports liquors ), and people who drink water instead of those refreshments devour fewer calories overall.

A good settle is to imbibe when you’re thirsty — you don’t is a requirement to count the glasses.

Source: Business Insider, FiveThirtyEight, Nutrition Reviews

MYTH: Carbonated spray isn’t as hydrating as flat ocean .

Just because liquid is fizzy and freshening doesn’t aim it’s bad for you.

In one of many studies that bust this myth, investigates reached servicemen bike on several occasions until they sweated off 4% of their body value — then instantly handed them a drink.

One day the cyclists get flat irrigate, another time carbonated water, yet another carbohydrate spray, and during a final trouble everyone booze carbonated sugar water.

The causes? Carbonation did not make any difference when it came to rehydrating.

Source: International Journal of Sports Medicine

MYTH: Yogurt will help put your digestive plan back in order .

Yogurt is often sold as curing absorption and slimming our representation because of probiotics — the idea that “good bacteria” living in the yogurt will shack up in our guts.

Bacteria are well-connected to our metabolism and obesity frequencies, among other things, so the connection seems logical.

However, we don’t more is how the millions of bacteria already in our mass be taken together, let alone when yogurt is lent into the mix.

This is not to say that yogurt is harmful, just that its benefits are oversold. Prevent in judgment, though, that a lot of yogurt is carried with carbohydrate, which we do know contributing to obesity and other troubles — so if you experience the dairy concoction, find some that isn’t full of empty-bellied calories.

Roots: Business Insider, Tech Insider

MYTH: You lose 90% of your body heat through your thought .

Not really.

You lose body heat through anything that’s shown, and your top is more likely to be disclosed than other regions of your body.

“Most of the time when we’re outside in the coldnes, we’re robed, ” Dr. Richard Ingebretsen told WebMD Magazine. “If you don’t have a hat on, you lose heat through your pate, just as you would lose heat through your legs if you were wearing shorts.”

Roots: Business Insider, “Don’t Swallow Your Gum !: Myths, Half-Truths, and Outright Lies About Your Figure and Health, ” WedMD Magazine

MYTH: Breaking the seal means you’ll have to pee more all night .

Alcohol is a diuretic, so it’s already going to make you pee a lot.

“Breaking the seal” the first time will not advance the quantity of times you have to go to the lavatory — but imbibing lots of booze will.

Source: Business Insider

MYTH: You can heal a hangover by drinking more .< em>

Flickr/ Viewminder

The “hair of the dog” is a myth — a mimosa or Bloody Mary in the morning won’t acquire you feel better. At excellent, you’re exactly prolonging the hangover.

Same runs for chocolate after a night of drinking. Like booze, chocolate is a diuretic, this is why it will dehydrate your torso even more and likely prolong the hangover.

Source: Business Insider

MYTH: Imbibe booze kills your brain cadres .

Excessive imbibe can impair the link between mentality cadres, but won’t actually zap any of your neurons.

That said, children around fetal booze syndrome often have fewer ability cadres, and unwarranted imbibe over longer periods of duration can indeed shatter the mentality — exactly not in the way you may think.

Sources: Business Insider , NIH, New York Times

MYTH: Eating before imbibing preserves you sober .

Business Insider

Eating before booze does help your organization absorb alcohol, but it merely delays the alcohol penetrating your bloodstream, it doesn’t restrict it.

Your body absorbs the booze more gradually after a big dinner, so dining before boozing can help restraint the severity of your hangover. Eating a lot after imbibe, however, won’t do much to help your hangover.

Source: Business Insider

MYTH: Brew before liquor, never sicker; liquor before brew, you’re in the clear .

Alcohol is alcohol, and too much of it will make anyone feel sick.

“There is no proof that boozing in a particular order varies how sick you get, ” Julia Chester, a behavioral neuroscientist at Purdue, told NBC.

However, people who switch from beer to mixed drinks( with smells and judgement previously dulled) may be less likely likely to monitor their alcohol intake and thus imbibe more.

This is a possibility because your figure metabolizes beer and mixed drinks faster than higher-concentration booze( like a shot of whiskey ). Adding liquor to a stomach-full of beer could, in theory, create a kind of mixed drink that would metabolize faster than one or another on its own.

But while “liquor before beer” seems partly genuine, we’ll mainly chalk up “never sicker” to bad decision-making.

Informants: Business Insider, NBC News, Gizmodo

MYTH: Remembers lost during alcohol-induced blackouts can be remembered .

If you wake up fuzzy on the details from the night before, you probably shouldn’t even bother trying to remember: It’s hopeless. When we drink too much the part of our brain that encodes retentions actually buttons off.

People claiming they recollect what happened when they are blacked out are perhaps having what are called mistaken memories.

Informants: Business Insider, Memory

MYTH: Brown sugar is healthier than grey carbohydrate .

Sugar that’s the color of dirt doesn’t make it more “natural” or healthier than its white-hot copy. The color comes from a common residual sticky syrup, announced molasses.

Brown sugar retains some of that molasses. In point, brown carbohydrate is predominantly lily-white sugar with some molasses — so refining it significantly would give you white table sugar.

While molasses contains some vitamins and minerals like potassium and magnesium, there is not enough in your standard dark-brown carbohydrate packet that should conclude you reach for it if you’re trying to eat healthier.

As far as your person is related, white-hot and dark-brown carbohydrate are one-in-the-same.

Generators: Business Insider, “The Dispensatory of the United States of America, ” Self Nutrition Data

MYTH: Brown sugar is healthier than white carbohydrate .

Sugar that’s the color of dirt doesn’t make it more “natural” or healthier than its white-hot equivalent. The complexion comes from a common residual sticky syrup, announced molasses.

Brown sugar contains some of that molasses. In detail, dark-brown sugar is chiefly grey carbohydrate with some molasses — so refining it further would give you white-hot table sugar.

While molasses contains some vitamins and minerals like potassium and magnesium, there is not enough in your standard brown sugar packet that should meet you reach for it if you’re to eat healthier.

As far as your form is concerned, white-hot and chocolate-brown carbohydrate are one-in-the-same.

Roots: Business Insider, “The Dispensatory of the United States of America, ” Self Nutrition Data

MYTH: Sitting too close to the Tv is good for your eyes .

The most this will do is give you a headache from attention fatigue.

This rumor maybe started with old TVs, which produced some X-rays, but newer ones don’t.

Source: New York Times

MYTH: Vaccines motive autism .

If you decide to wade into this one at the dinner table, we’d recommend calmly explaining that this idea started with a now thoroughly-debunked — and repudiated — examine of only 12 infants that appeared in 1998 in The Lancet, which claimed there was a link between the MMR vaccine and autism.

That study was not only flawed, but it also sneaked in false information to try and make its point.

Since then, several subjects that have analyzed data regarding more than a million children have shown that there’s no relationship between vaccines and autism.

Fears about that connection persist because of public figures drawing( unknowingly or otherwise) mistaken allegations about inoculations. This contribute to frightening ailments like measles coming back and to vaccination frequencies in some affluent Los Angeles neighborhoods that are similar to those in Chad or the South Sudan.

Roots: Business Insider( 1, 2, 3 ), PBS, The Lancet

MYTH: Carbohydrate causes diabetes .

Eating carbohydrate in moderation won’t give you diabetes.

The American Diabetes Association, while it recommends that people avoid soda and plays sips, is speedy to point out that diabetes is a difficult canker, and there’s not sufficient prove to say that eating sugar is the direct cause.

However, both weight gain and exhausting sugary liquors are associated with a deepened jeopardy, and( sizable) section size seems to be most crucial when it is necessary to carbohydrate and diabetes.

Generators: Business Insider, Tech Insider, American Diabetes Association, PLoS ONE

MYTH: Chinese nutrient with MSG will acquire you sick .

Flickr/ acedout

The myth that MSG( monosodium glutamate) is poor for you comes from a character a doctor wrote to the New England Journal of Medicine in 1968, where he coined the utterance “Chinese restaurant syndrome” and blamed a variety of symptoms including numbness and general weakness on MSG.

Further research has not backed him up.

The technical consensus in accordance with the American Chemical Society is that “MSG can temporarily affect a hand-picked few when destroyed in huge quantities on an empty stomach, but it’s perfectly safe for the great majority of people.”

MSG is nothing more than a common amino battery-acid with a sodium atom added. Eating a ton of food or tablespoons full of the salt could cause the general malaise attributed to the flavor enhancer, and the placebo impression is more than strong enough to account for its negative effects sometimes associated with MSG.

Generators: Business Insider( 1, 2 ), Tech Insider

MYTH: Offspring who booze soda are at a greater likelihood of becoming obese .

In “Fed Up, ” a documentary film that probes the belief causes of America’s obesity epidemic, you listen the alarming statistic that “One soda a day increases a child’s risk of obesity by 60%. “

Authors of the study this statistic comes from greenback their findings “cannot prove causality” — but that’s not what sugar-shaming movie producers would have you think.

Drinking too much calorie-loaded soda is likely harmful, but it’s not the sole cause driving an increase in infancy obesity.

The CDC cautions parents to do what they can to protect against obesity by encouraging healthful lifestyle garbs that include healthful eating and exert, both of which is very likely to do more for a child’s waistline than trying to completely trimmed sugar.

Informants: Business Insider. “Fed Up, ” The Lancet, CDC

MYTH: Cracking your knuckles will give you arthritis .< em>

Fortunately, this isn’t true-life either.

Cracking your knuckles may vex the people around you, but even people who have done it regularly for many years are not more likely to develop arthritis than the individuals who don’t.

Informants: Business Insider, Journal of the American Board of Family Medicine

MYTH: Strip a delirium, feed a cold .

A tiny and primarily misunderstood contemplate in 2002 lately fanned the sparks of this myth, but restraint your caloric consumption may actually hurt your immune structure more than curing it — it would certainly be a bad suggestion to not ingest during the course of its six- to eight-day period of a cold.

Instead, physicians say to go ahead and munch if you are able. The more accurate phrase would be “feed a cold, feed a fever.” And make sure to drink abundance of fluids.

Beginnings: Business Insider, BBC, Scientific American

MYTH: Light-green snot makes a bacterial infectious diseases and amber snot a viral one .

The color of your snot can’t mark a bacterial versus a viral illnes. It varies from clear to yellow to green with a variety of illnesses and durations of infection.

Whatever your snot’s coloring are likely to be, if you’re not experiencing well and haven’t been for eras, it’s time to see a doctor.

Beginnings: Tech Insider, Medline Plus, Cleveland Clinic, Medline Plus

MYTH: A liquor cleanse will detoxify you after an eating overeat .

Your body naturally removes injurious compounds through the liver, kidneys, and gastrointestinal tract — there’s nothing about liquid that they are able to hurry that process along.

At best, juicing removes digestion-aiding fiber from fruits and vegetables. Too consider that numerous sugary fruit juices are as bad for you as sodas.

And while some liquids are just fine, they don’t furnish anything that you wouldn’t make do eating the whole factors instead.

Sources: Tech Insider, Business Insider( 1, 2, 3)

MYTH: All parties with Tourette’s syndrome yell swear words .

Flickr/ suuswansink

Only a small percentage of people with Tourette syndrome haphazardly screeched out swear words.

It actually encompasses a lot more than that, including involuntary progress and different hubbub tics.

The cuss tic is called coprolalia.

Source: Child Mind Institute

MYTH: Being cold can give you a cold .

There’s no evidence that going outside with soaking “hairs-breadth” when it’s chill will become you sick — equipped you forestall hypothermia.

But there is a scientifically sound explanation for why people catch more colds in winter: We waste more time in close quarters indoors, it is more likely that we’ll cross paths with a cold-causing virus spread from another person during the winter.

Generators: Business Insider, LiveScience, CNN

MYTH: Being emphasized will give you high blood pressure .

Stress doesn’t play a large role in chronic high blood pressure.

Acute stress can temporarily increase blood pressure, but overall it’s not a main cause of hypertension. Happenings like genetics, smoking, and a bad diet are much bigger factors.

Source: British Medical Journal

MYTH: Beings get growths from frogs and frogs .

Frogs or frogs won’t give you growths, but shaking entrusts with a person who is growths can.

The human papillomavirus is what gives people lumps, and it is unique to humans.

Source: WebMD

MYTH: Humans got HIV because someone had copulation with a ape .

HIV probably didn’t hop to humans through human-monkey sex.

It maybe climbed to humans through hunting of apes for bushmeat nutrient, which gave rise to blood-to-blood contact.

Source: Cold Spring Harbor Views In Medicine

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