Black belts have to register their fists as weapons... I can't believe I was dumb enough to fall for that.

Fish only have a 5 second memory. My fish are fed automatically on a timer and they know dinner time better than my goddamn cat.

That if you touch a baby bird, its mother will abandon it because of the smell. Birds actually have a very bad sense of smell.

You can "detox" your body from toxins and parasites by drinking certain teas or taking some weird medication. Repeated diarrhea and frequent urination doesn't indicate toxins leaving your body, your liver and kidneys do the job. If your liver is not functioning or you have a kidney disorder, obviously you need help but it won't be teas that someone on Instagram is boasting about.

That vaccines cause autism, are made by the government to control you etc etc.

That dairy cows just "make" milk. Cows aren't any different than the rest of the mammals. They make milk when they have a baby. Humans just take the baby away after it's born.

You have to wait 24 hours before filing a missing person's report.

You swallow 8 spiders a year in your sleep. The thing was created to see how easily fake news spread.

Astrology: that your horoscope tells something about your personality

MSG - a lot of people still believe it's basically poison. It's no more harmful than regular salt.

That certain animal 'parts' have healing/magical properties. Like tiger whiskers protect the wearer or rhino horn cures impotence and hangovers.

Many people still believe hymens are like plastic food seals that cover up the hole and get popped when you have sex for the first time, and if a girl doesn't bleed she's not a virgin.

People with OCD just repeatedly wash their hands and like things clean and organized. This is how it presents in some people. There is so much more to this mental illness that people aren’t aware of that lead to people not getting diagnosed or help.

People think bats are blind. They aren’t.

That cutting your hair off makes it grow in thicker.

That violence in the world is getting worse and worse. Actually, in relation to the world's population we live in the most non-violent era in history. The problem is that, while 500 years ago you might have not even heard all the news from within your city, we can now hear all the horrible news from all over the world (and we're also more people). But still, human interaction and conflict in general is much less violent than it used to be.

The five second rule.

The Great Wall of China is the only man-made structure visible from space. First of all, it's not, and second, other ones are.

that myth about how nasa invented ballpoint pens for space while the USSR just used pencils... basically completely untrue

Not sure if this fits here exactly, but the McDonald's hot coffee lawsuit being a frivolous case filed by a money hungry customer. That poor lady was a real victim who suffered legitimate injuries who only wanted her medical costs covered.

Scholars in the middle ages didn't believe the Earth was flat. The ancient Greeks knew that [stuff] was false. The myth of the flat earth was a post-Romanticism fancy in pop culture, not a serious scholarly movement. That line from Men In Black has pissed me off ever since I learned the truth.

Poor people are poor because they don't know how to manage their money

Flushable wipes are flushable

Einstein was bad at school math.

Cracking your knuckles makes them bigger/gives you arthritis. This is an ongoing battle between myself and my older coworkers.

Undercover cops have to tell you they're cops.

If you lift your hands above your head while pregnant you will strangle the baby. I am sure it was started by smart women who didn’t want to do all the housework while pregnant and tired. I still hear it every now and again.

Sugar makes you hyper.

In my country people believe that if you're pregnant and cut your hair, the baby will be born blind lmao.

That Napoleon was short. He was average height

That historically, corsets were extremely dangerous. That is false. “Tightlacing”, which is basically just what’s seen in the movies, where they make the corset as tight as they can, was not very common, and only used in the extremely upper class. Most people wore corsets completely safely, lacing down very little, if at all. Women climbed mountains, biked, did sports, and everything, in corsets.

That Vikings wore horns on their helmets.

That carrots improve eyesight. It was actually British propaganda from World war II, I think to explain how they kept on shooting down German planes at night, in order to conceal their invention of a new type of radar I believe. More funny than annoying, I just want to say it.

If you go outside with your hair wet you will get sick.

Lightning never strikes the same place twice.

That companies "can't" say that you were fired, or why you were fired, "by law."