Brain mysteries persist despite advances
The brain is one of the largest and most complex organs of the body. It has a high efficiency in using energy, consuming about 20% of the body's energy despite constituting only 2% of its weight. Fully understanding its mechanisms remains difficult due to its continual complexity, the changing nature of its neural cells, and their ability to produce different proteins to adapt to various conditions. Additionally, the presence of the blood-brain barrier hinders the delivery of some medications, making it challenging to treat certain neurological diseases. Scientists have not yet been able to uncover all of the brain's secrets, acknowledging that comprehensive study of the brain may be impossible due to its constant changes.
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