7 interesting facts about the brain

The human brain is about 75% water and takes approximately 25 years to fully develop.

The human brain is one of the most important organs in the body, enabling thinking, reasoning, remembering, and learning new things.

The brain never stops working.

While we sleep, the brain remains "busy" and uses a lot of energy. During this time, the brain processes and organizes the day's experiences, forming long-term memories.

The brain is mostly water.

The human brain is about 75% water. Dehydrated individuals are more prone to problems with concentration, memory, brain fog, headaches, difficulty sleeping, fatigue, and mood swings. Even mild dehydration can impact brain health and cognitive function.

The brain is fully developed by the age of 25.

According to the University of Rochester Medical Center in the US, it takes up to 25 years for our brains to fully develop. Therefore, the brains of adults and teenagers function differently.

Adults think using the prefrontal cortex, the rational part of the brain that responds to situations through judgment and perception. Teenagers, on the other hand, process information using the amygdala, the part of the brain more emotionally oriented.

The brain helps us think, reason, remember, and learn new things. Photo: Freepik — The brain helps us think, remember, and learn new things. Photo: *Freepik*

The brain has no sense of pain.

The brain is the organ that detects and interprets pain, but it doesn't have pain receptors itself. Doctors can perform brain surgery while the patient is still conscious. However, there are pain receptors located on the scalp and the lining of the skull, so strong impacts to the head can cause pain.

The brain contains a lot of fat.

Approximately 60% of the brain is made up of fat. This is why a diet rich in healthy fats like omega-3 and omega-6 is so important for brain and overall health.

According to scientists , fat helps stabilize cell walls in the brain and transports, absorbs, and stores vitamins. It also reduces inflammation and helps the immune system regulate and function normally.

The driver has a good memory.

A 2011 study by University College London, England, involving 79 trainee taxi drivers and 31 male control subjects, showed that the taxi drivers had larger hippocampuses than the average person. The hippocampus is a crucial brain structure that improves memory.

Scientists explain that the process of learning to navigate complex streets changes the brains of drivers. Drivers also use their brains to memorize spatial relationships, which can stimulate changes in the hippocampus and influence the rate of neural development in the hippocampus.

However, this group has poor learning and memorization abilities with certain types of new visual information, and is slow to remember complex data.

The brain generates its own electricity.

When we think, feel, or move, neurons in the brain fire electrical charges that travel along their long axons at speeds of 250 miles per hour.

According to Associate Professor of Bioengineering Kwabena Boahen of Stanford University, USA, the human brain requires at least 10 megawatts (MW) of electricity to function properly. This energy is enough to power a small light bulb.

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