Why you shouldn't walk under a ladder — and other superstitions explained

Image: Raquel Pedrotti

Superstitions have shaped human behavior for centuries, often rooted in ancient beliefs, religious practices, or sheer coincidence. From knocking on wood to avoiding black cats, even today, these curious traditions persist across cultures. But where did they come from? Here are 12 common superstitions and the fascinating origins behind them.

Image: Alexey Demidov

This practice dates back to ancient pagan traditions, where trees were believed to house spirits. Knocking was a way to summon their protection or avoid tempting fate.

Over time, the superstition spread across cultures, and early Christians adapted it as a reference to the wood of the cross for divine protection. Today, people still "knock on wood" after making a hopeful statement to ward off bad luck.

Image: Savannah B.

Ancient Romans believed mirrors reflected the soul. Breaking one was thought to damage the soul, which would take seven years to renew.

This idea was reinforced in the Middle Ages, when mirrors became expensive. Breaking one was not only a spiritual concern but also a financial burden, and the superstition likely served as a warning to handle them with care.

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The fear of the number 13 stems from Norse and Christian traditions, with an unlucky 13th guest believed to bring misfortune. Friday was also linked to Jesus’ crucifixion.

The superstition intensified in the 20th century through pop culture references, leading to widespread fear. Many buildings and airlines even avoid labeling a 13th floor or row.

Image: Jilbert Ebrahimi

Ancient Egyptians saw ladders as sacred symbols, forming a triangle with the ground. Walking through one was believed to anger the gods.

During the Middle Ages, ladders were associated with gallows, creating a connection with death. The belief persists today, reinforced by the obvious danger of a ladder toppling.

Image: Tatiana Zanon

In medieval Europe, black cats were linked to witches, believed to be their familiars—or even witches in disguise—and crossing paths with one was thought to bring misfortune.

However, this wasn’t true everywhere. In ancient Egypt, black cats were especially revered, and today they are considered lucky in some cultures, particularly in Japan and Scotland.

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In Victorian England, umbrellas with spring mechanisms could accidentally injure people indoors, making this superstition more about a real hazard than a "bad omen."

A deeper origin may stem from ancient Egypt, where parasols were used to shield pharaohs from the sun. Opening one indoors was thought to offend the sun god Ra.

Image: Emmy Smith

Salt was a valuable commodity in ancient times, sometimes even used as currency. Spilling it was considered wasteful and unlucky.

Leonardo da Vinci’s The Last Supper depicts Judas spilling salt, reinforcing its association with betrayal and misfortune. As a countermeasure, tossing salt over the left shoulder was thought to blind evil spirits.

Image: Virgil Cayasa

The Romans believed water had sacred properties, and tossing a coin into a fountain was an offering to the gods for good fortune.

The Trevi Fountain in Rome helped popularize the tradition. Today, millions of coins are thrown into fountains worldwide, with many places donating the collected money to charity.

Image: Matt Benson

The horseshoe’s luck stems from iron’s historical association with warding off evil spirits and fairies. The shape also resembles a crescent moon, a symbol of protection.

In part, the association with the supernatural stemmed from the fact that blacksmiths were highly respected in medieval Europe, and their complex craft was seen by many as nearly magical.

Image: Dayne Topkin

This tradition likely originated with early Christians, who used finger gestures to invoke divine protection and ward off evil.

Over time, the practice became a general symbol of good luck, with people crossing their fingers for positive outcomes—or even to excuse small lies.

Image: Luis Villasmil

This rhyme originated in the 19th century as a playful warning to children, with no real historical basis.

However, cracks in sidewalks were sometimes linked to supernatural beliefs, with some cultures fearing they could allow evil spirits to escape from the underworld.

Image: mohammad hosein safaei

According to one theory, Pope Gregory I promoted saying "God bless you" during the bubonic plague to protect against disease, and the phrase stuck.

Another possible origin comes from ancient Rome, where sneezing was thought to temporarily expel the soul, making a blessing necessary for protection.

What science says

It was false after all: 10 health myths that sound true—but aren't

Image: Alicja Gancarz

Health myths are everywhere! These ideas were simply passed down for so long that they became part of what we believed. But now science has stepped in to clear things up. Does cold weather make you sick? Can lemon detox your body? Is reading in low light really harmful? Let's uncover the truth behind 10 common health myths!

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Have you ever been told that cutting your hair will make it grow faster? We're sorry to say that's just a myth. Hair grows from the root, not the ends. So, trimming it won't boost growth, though it does help remove split ends that can make your hair look dry or unhealthy.

Image: Thom Holmes

This is one of the most common health myths. Cold weather often gets blamed, but it's not the temperature that makes you catch a cold. During winter, we tend to stay indoors with others and keep the windows closed, an environment that makes it easier for viruses to spread. That's why colds tend to be more common in winter!

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The idea that eating before bed automatically leads to weight gain is a myth. In reality, it has more to do with what you eat and how much, rather than the time of day. Often, when we eat very late at night, we're tired and more likely to reach for quick, high-calorie, heavy foods. This can disrupt sleep and lead to consuming more calories than we burn, both of which may affect weight. If it's close to bedtime, it's better to have something light and healthy in a moderate portion than to skip a meal altogether.

Image: Bud Helisson

Does wearing glasses weaken your vision? Myth! If an eye doctor prescribes glasses, wearing them as directed helps correct your vision; it won't make it worse. Additionally, the right glasses can help prevent or reduce headaches caused by reading or spending long hours in front of a screen.

Image: Amir Balam

This myth is closely related to the previous one. If you love reading and sometimes have to do it in low light because of the situation, don't worry. According to experts, reading in low light doesn't cause permanent or irreversible eye damage. However, it's not recommended because it can make your eyes feel tired or strained, leading to discomfort or headaches.

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We're all different, and so are our bodies. The idea that everyone should drink exactly eight glasses of water a day is more of a general guideline than a rule. Staying well hydrated throughout the day is extremely important, but how much water you need depends on factors like your weight, age, climate, and overall health. We should prioritize staying consistently hydrated instead of obsessing over the number of glasses we drink.

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Some people say drinking lemon water helps eliminate toxins and cleanse the body. While adding a slice of lemon to your water is a refreshing way to stay hydrated, it doesn't have any special "detoxifying" powers. The vitamin C in citrus fruits is beneficial, but the body has its own natural detox system. The liver and kidneys are the main organs that filter waste and eliminate toxins.

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Not all fats are bad! Just like other food groups, your body needs fats to function properly. The important thing is knowing the difference between healthy fats and those that can be harmful. Foods like avocados, seeds, olive oil, fish, and nuts are rich in healthy fats. On the other hand, the fats found in processed or fried foods are the ones that can have a negative impact on your body.

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Liver diseases can be serious. While heavy and frequent consumption of alcohol and fats is a major contributor, it's not the only cause. Liver problems can also result from many other factors. These include viral infections, autoimmune diseases, genetic disorders, high blood pressure, and exposure to certain chemicals.

Image: Brooke Lark

There's some truth to it: breakfast is important because it replenishes our glucose and energy levels and supports proper metabolism. However, the idea that it's the most important meal of the day might be an exaggeration. Everyone's body has different needs, and all meals are important, so we shouldn't skip any of them!