number one; intellectual Peaks your brain stops growing when you're 25 but that doesn't mean you've reached your intellectual peak cognitive change is a lifelong process some skills like memory and processing speed max out in your mid-20s you'll excel at facial recognition and problem-solving in your 30s and then gain emotional control and empathy in your 40s and 50s a select few skills like vocabulary take even longer peaking in your 60s and 70s now your brain may have matured but your mind has plenty of room to grow that's why you should never stop learning no matter how old you get.
number two; audible sites have you ever heard that missing one of your senses amplifies the others going blind or losing your hearing won't make you a superhero but it can give you a few different neurological advantages a 2011 study found that people who are born blind sometimes develop a new way to process the world around them they essentially begin seeing through their ears, hmm the human brain excels at adapting to difficult situations this kind of reorganization is called neuroplasticity so when someone can't see the brain automatically searches for an innovative solution it will often rewire itself to process auditory information over visual information it isn't quite the same as a normal vision but this workaround can yield some pretty amazing results.
number Three; hogging blood the average person's brain weighs about 3 pounds now for someone who weighs 150 pounds total that's only 2% of their body weights that's barely anything when you think about how important the brain is to your body but without it you couldn't do anything you think you couldn't speak no you couldn't even move so how does such a small organ manage so many executive functions.
the real difference between the brain and the rest of the body isn't in its size it's the amount of oxygen and blood that your brain needs to work like it's supposed to so even though it's only 2% of your weight it requires about 20 % of your body's supply of oxygen that's more than all of your other skeletal muscles combined so if you've ever wondered how blood is distributed inside your body now you know the brain is taking a significant chunk, yeah it's a blood hog.
number four; miles of blood vessels since it needs so much blood an intricate network of vessels is working around the clock to bring oxygen to every part of the brain because if one section isn't getting enough blood you start losing basic functions some people experience blindness or fatigue others lose all feeling in one or more parts of their body almost like you're paralyzed so how many blood vessels does it take to keep your brain up and running well to know for sure you'd have to untangle a web of veins arteries and capillaries you'd see that the average person has hundreds of miles of blood vessels inside their head yeah I know that doesn't seem possible does it your blood vessels are just so thin and tightly woven together that they fit inside a much smaller space now researchers are still working on counting the number of blood vessels in your brain we do however know that the entire body measures up to 100,000 miles what that's like driving around the widest part of the earth four times and those are the blood vessels of just one average-sized person imagine how much distance the entire human race could cover
number five: brain starvation so what happens when your brain doesn't get any oxygen at all how long can it last before something goes wrong the answer is not very long after five to six minutes without oxygen you're risking significant brain damage that's because your brain can't actually store any oxygen on its own it relies on the body to send a constant supply all day every day and if that stops happening your brain only has a few minutes left to live
number six: neural speed way every action in the brain starts with an electrical signal some are sluggish and slow others race across the brain clocking in at over 230 miles per hour Wow the speed of a signal depends primarily on what kind of signal it is when you touch a hot surface for example that sensation speeds through your body it starts at the sensory receptors on your hand passes through your spinal cord and then enters your cerebral cortex there you perceive and process how hot the surface is which sends a new electrical signal rushing through your brain and your body so if you've ever wondered why it takes a second to realize how hot something is you found your answer
number seven: thousands of thoughts you spend the majority of the day thinking you wonder if anyone has noticed the stain on your shirt you think about whether or not you locked your car so many random thoughts pop into your head all day long but has anyone ever tried to count them researchers go back and forth on the exact number but most agree the average person has about 50,000 thoughts every single day that's at least 2,100 thoughts per hour the most are small and repetitive but it just goes to show your brain never stops working
number eight: shrinking brains who do you think has a larger brain modern humans or our early ancestors this discovery surprised researchers around the world it turns out our ten thousand year old ancestors had larger brains than we do about ten percent larger to be exact but it's not because they were necessarily smarter than us several neuroscientists have explained this change in brain size our brains are getting smaller because our bodies are too so that means we have a smaller nervous system so we can afford to carry a lighter more efficient brain than our ancestors there are plenty of times when smaller brains outperform larger ones instant computations are a great example we may not have as much room to store information but our processing speed is through the roof when you think about it our brains have gotten smaller to adapt to our modern lives if we really needed bigger brains well we'd still have them
number nine: the fattiest organ your brain is actually the fattiest organ in your entire body right fat head think about the construction of the human brain are you picturing the hundreds of millions of neurons the complicated network of blood vessels the dozens of glands secreting all kinds of hormones but did you know that 60% of your brain is just plain old fat despite being one of the largest organs in the body the brain doesn't have any muscle it controls muscles and a whole lot of them but it's made of fatty tissue here's the problem your body makes a lot of different things but fat isn't one of them so all the fat your brain uses for performance and repair has to come from the food you eat this is why so many dietitians push people to consume large amounts of omega-3 fatty acids now those important fats facilitate brain development stave off disease and preserve your mental health so do your brain a favor and work a little more fish into your diet
number ten: synchronized brains countless studies have shown the extraordinary ways that music interacts with the human brain it evokes emotions recalls memories improve creativity and problem-solving but a German study discovered that music could actually synchronize brain functions to test this out they scan the brains of two musicians while they played music together and sure enough the music slowly but surely synchronize their brainwaves it's very possible that the best bands sound so good together because their brains are working in tandem
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