Why Spinal Injuries (Even Minor Ones) Are Next To Impossible To Completely Fix.
In: Biology
The spinal cord is communication channel with a lot of electric wires (e.g., electric signals transferred from one cell to the next). Now if you cut all the wires, and put them together by chance, probably most wires will be connected wrongly (e.g., nerve sprouting grows the nerves together wrongly).
Now spinal cord injures are fixable by computers. You attached a computer to the nerves and muscles and so overcome the injured signal path. This kind of operation is expensive and therefore is not done often. However, it is possible to walk again or drive a car with you hands/arms. The reason is that such injures are low compared to other human conditions, therefore the pharma companies have no economic interest.
In the future, this will be solvable and mass producible and the technology will constantly improve.
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