Your efficient, calm brain
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It weighs around 1.5 kg, which is only about 2% of the total weight of the human body, but it controls the activity of all our bodily functions. It is the author of our memories, dreams and emotions. It determines who we are. The brain.
A human is born with around a hundred billion neurons. Every day from birth, we lose about 100,000 of them. The death of neurons (apoptosis) is necessary due to their excess. There are hundreds or even thousands of synapses on each neuron, making up 13 trillion connections. During human development, there is a reduction in synaptic connections – this, too, is the result of overproduction and the...