Brain Facts
Top 15 brain facts

The Top 15 brain facts

  • SumoMe

The human brain is an impressive thing that nature gave us. It’s the central control system of our body and our feelings and has a lot of power inside.

But what power exactly do we have right in our head? We did some research and present you the 15 most interesting facts about the human brain.

Your brain is more active when you asleep.

Sounds like a paradox, but it’s true. During your sleep your brain processes all your memories from the day before.

120 meters per second: That’s the speed information can go in between parts of your brain.

The speed depends on which neurons are used to transmit a message to the brain with electrical signals. The slowest speed is 0.5 meters per second.

Your brain is about 60% fat.

This makes it the organ with the most fat in your body.

Your brain is able to power a light bulb.

Like we already said: Your brain has a huge power inside. A power that can generate 10-23 watts of power – enough to light up a light bulb.

The woman’s brain is shrinking during their pregnancy.

Don’t worry, the brain doesn’t lose cells but it changes matabloism and restructures. That’s why pregnant women often forget something. But about six months after giving birth it returns to it’s former size. Much better: Studies found out that parts of the brain grow after birth: motivation, reward, behavior and emotion regulation.

Your current brain size is the same you had when you were born.

Unbelievable, but true. That’s the reason why babies have such a big head after they were born. From the beginning of your birth, your brain contains most of the brain cells for your whole life.

In each second there are more than 100,000 chemcial reactions in your brain.

You have about 15-33 billion neurons in your brain which are responsible to send information by electrical and chemical signaling. Because of the fact, that normally your brain sends and receiving trillions of information in a single day, it’s necessary that such a lot of chemical reactions take place in your brain to handle this.

You don’t need your entire brain to live. One side would be enough.

Unbelievable, but living with just one hemisphere has no effect on personality or memory. In case you have very often seizures it can help you to stop the seizures by removing one half of your brain.

You have about 70,000 thoughts. EVERY DAY.

Many of them are the same ones and the number also includes simple decisions. Like ‘coffee’ or ‘milk’ for breakfast. And now, let’s do some math: A day has 24 hours. That’s 1,440 minutes. And that’s 86,400 seconds. So, that means you have nearly one thought per second!

Your brain isn’t able to feel any pain.

You haven’t any pain receptors in your brain, but you need your brain to detect the pain of your body. Actually, surgery can be done on the brain and the brain doesn’t feel anything.

Every time you form a new memory, your brain creates new brain connections.

By learning something new your brain creates new neuronal connections and new circuits in specific brain areas. Thanks to the new circuits you’re able to recall a memory when you need it and your brain can connect it with other memories.

When you have an orgasm, your brain releases a lot of Dopamine – the same effect as you were on heroine.

Dopamine activates your reward circuitry in your brain. That’s why you’re feeling like Superman after you had sex. And the interesting fact about that, is that your brain scan during orgasm looks very similar to that of someone shooting heroine.

Using a mobile phone can increase the risk of brain tumours.

It’s possible to get certain types of brain cancer by using a mobile phone intensively. If you use your mobile phone for more than 15 hours each month over five years, you have between a three times greater risk of developing brain tumours.

There are approximately 1.1 trillion cells and 100 billion neurons in the average human brain.

A jellyfish has 800 neurons.

It’s a myth that you only use 10% of your brain. You use ALL of it.

A brain scan can show you, that your entire brain is being used, even when you’re resting.


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