14 Human Body Facts That Will Help You Stay Healthier

From childhood, we learn that watching TV is bad for our eyes and that we should never read in a poorly lit room. But is this true?

Bright Side combats health myths that you often hear – even from doctors! And at the end of the article, you will learn about one body feature that almost every person has.

1. Pregnancy doesn't last 9 months.

In fact, a healthy pregnancy can last from 9 to 9.5 months. Research has also shown that the length of a healthy pregnancy can vary by 5 weeks.

2. The flu vaccine doesn't infect you with flu.

Even though your body can react to the vaccine with a fever, it doesn't mean you get infected with flu because of the vaccine. The vaccine contains a dead virus that can't "resurrect" and cause the illness.

3. Vitamin supplements don't make you healthier.

Vitamin supplements may not just be useless but might even be harmful to your health. For example, a 20-year research project about vitamin supplements showed that people who take a lot of them have a higher chance of having cancer.

4. Brain cells can be restored.

For a long time, people have believed that adult brain cells can't be restored. However, it's not true. In fact, there is a process called "neurogenesis," which produces new neurons in the hippocampus. This is the part of the brain responsible for learning, long-term memory, and emotions.

5. Reading in a poorly lit room doesn't make your eyesight bad.

Just like watching TV, reading in a dimly lit room doesn't lead to deteriorating eyesight. Of course, you might notice that your eyes get tired of reading, but in the long term, it doesn't lead to serious problems with vision.

6. Your skin doesn't become clearer if you drink a lot of water.

Of course, you should drink enough water, but water itself is not a cure for acne. Well-moisturized skin regenerates faster, but you shouldn't hope that you can decrease the amount of acne by drinking an extra glass of water.

7. Nighttime snacks don't make you gain weight.

Night trips to the refrigerator are associated with obesity, but they are not the cause of it. They don't make us any fatter than snacks we eat during the day or in the evening. However, a lack of physical activity is a great way to gain some weight.

8. Teething doesn't cause fever.

Many parents think that it's normal for a child to have a high fever when they are teething, even though it's a myth. Yes, teething can sometimes cause a small fever (usually when the first tooth appears). But if a baby has a high fever (100-100°F), it can be a symptom of an illness.

9. Sitting with crossed legs is okay.

Research doesn't prove that sitting with crossed legs causes nerve damage or varices. It doesn't lead to any serious damage because the blood pressure normalizes when we change our pose. The only exception is that people with a high risk of having clots shouldn't sit in this pose.

10. Bad breath doesn't indicate an underlying condition.

Most of the time, bad breath is caused by dental problems (teeth, gums, and diet). Sometimes, when a person has problems with some organs (for example, kidneys, lungs, intestine), bad breath can be a symptom, but it will definitely not be the only one. So don't panic or look for diseases you don't have.

11. Running doesn't hurt the knees.

In fact, running doesn't hurt the knees if you do it right. Don't run barefoot, choose comfortable shoes, and calculate how strong you are. Beginners should not go for a run more than 3-4 times a week.

12. You can watch TV close up.

If you watch TV from a close distance, it won't hurt your eyes, even though you might feel that you are tired. By the way, unlike adults, kids don't have trouble focusing at a close distance. Maybe this is why kids love watching cartoons right at the screen: they just don't get tired.

13. You can eat ice cream even when you are ill.

Many people never eat ice cream when they are ill. However, it won't make your illness worse if you eat your favorite sundae. Sometimes, ice cream can make pain in the throat less bad. It can also give you the necessary calories if you are not hungry when you are sick.

14. Toenail fungus can't be cured.

Yes, treating toenail fungus can be hard, but it's simply not true that it's incurable. All you need to do is have a complete course of antifungal medicine to get rid of the fungus. There are also home remedies that can help, and here's the simplest recipe:

You should mix 1 part vinegar with 2 parts water, and soak the affected foot in the mixture. Keep your foot in the liquid for 20 minutes every day. After a week, you should notice progress.

However, if you see that natural ways are not very effective, you should see a doctor.

Bonus: If you leave one of your legs uncovered, you will sleep better.

As it turns out, an uncovered leg helps us fall asleep easier and faster because it helps us to regulate our body temperature. Our temperature drops when we are asleep, but a warm blanket can destroy this balance. The easiest way to restore it is to leave your leg uncovered: this way your body will give away the extra heat.

Which of these facts surprised you the most? Tell us in the comment section below!

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