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Throughout our lives, and especially as children, we heard many stories that we thought corresponded with reality. There are various myths and lies that become an absolute truth for many, whether it's because they are passed from generation to generation, because they were believed to be true at one point, or simply because they were spread as rumors.

Whether it's about health, animals, planets, constellations, or even routine activities, all of these facts were questioned, and we arrived at the conclusion that absolute truths only exist if you know everything about a subject.

Look through these 30 lies you know as facts!

▲100% pure water does not conduct electricity. In truth, what makes water conduct electrical current is the presence of minerals and other substances in it.

▲Fingers don't become wrinkly because they absorb too much water. It appears that it is actually a defense mechanism of the human body to adapt our hands and feet to a more humid surface.

▲Sharks can have cancer. The myth that they can't was created by I. William Lane as a way of selling shark cartilage as a cancer treatment.

▲Sunflowers don't follow the sun. Plants normally point to the East as that is where the sun rises, but they don't accompany it throughout the day.

▲Despite frequently using the term 'memory of a goldfish' for someone forgetful, these animals can actually remember things for months, not seconds or minutes.

▲We're sure you've heard multiple times that we only use 10% of our brain. In truth, as humans we use our entire brains, but in totally different areas and at different moments.

▲Stress isn't the worst enemy of hypertension. Though it can aggravate it and temporarily raise arterial pressure, the principal causes of hypertension are smoking, genetics, and diet.

▲Cats and dogs don't see on a gray scale. They actually see in tones of blue and green.

▲Shaving your facial hair does not make it thicker. What happens is when the hairs first start to grow back, you're only going to feel the tops, which are actually thicker than the rest of the hair. After they grow out, they will be exactly the same as they were before shaving.

▲Mosquitoes don't have a lifespan of a day. The average lifespan for these animals is actually one month.

▲The Great Wall of China is not the only monument that can be seen from space. In reality, the large construction can't be seen with the naked eye, but through optic instruments, which can also work with any other monument.

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Water with sugar calms your stress and makes you feel better? This is a total lie. On the contrary, large quantities of sugar can actually have the opposite effect, as they produce energy and can leave you more agitated.

▲Toothpaste doesn't help burns, scars, or pimples. If you put this product on your wounds, it can actually cause infections and set back the healing process.

▲Swallowed gum does not take 7 or more years to digest. The gum is actually never digested, but just passes through our bodies.

▲These animals are not blind, and actually have quite good vision. They use sonar to hunt prey and fly, but they can also see.

▲Chocolate doesn't make kids more hyperactive. The myth was spread, and many parents avoided giving their kids sweets so they didn't become agitated. The only thing that chocolate can cause is obesity from the excess of sugar.

▲The Northern and Southern hemisphere don't get closer to the sun in the summer. It's hotter during this season because they are slightly more inclined in the giant star's direction and the solar energy is more direct.

▲Touching a frog does not give you warts. Despite seeming contagious, the only thing that these animals can pass onto humans is venom, which can cause skin irritation.

▲Redheads are not going to disappear from the planet, as no human gene can go extinct.

▲A pony is not a baby horse, contrary to what you may believe. It's a type of horse that even in adulthood stays small, never getting to the size of the common horse.

▲Reading in the dark does not damage your vision. The worst thing that can happen is that you'll have more difficulty in seeing what you're reading in less light.

▲To drink water, this animal uses it's mouth like any other living thing. The nose, or the trunk, serves to store or expel the water.

▲After mating, the female mantis doesn't always eat the male. This can happen but, according to specialists, only occurs 1 in every 69 times.

▲The necessary time to sleep is not 8 hours, it's however long it takes your body to rest, which varies from person to person.

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Vitamin C doesn't help colds or the flu. What the vitamin normally does is alleviate the discomfort of the ailment.

▲If you have a sore throat, eating ice cream or something cold is not going to make it worse. What causes an infection is a completely isolated virus, and eating something cold can actually anesthetize and soothe the pain.

▲Ostriches don't put their head below ground because they are afraid, but to play dead.

▲Hair and nails don't continue growing after death. What happens is the shrinking and relaxing of the skin makes them seem bigger.

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The radiation emitted by microwaves does not cause cancer. Other magnetic waves can cause it, but it depends on the exposure and the radiation.