Why is it such a common thing, what exactly causes it?
(What can a human do to ensure the least chances they get it later in their life?)
In: Biology
Keep in mind that humans are pretty unique in our vertical torso set up. Most other animals have the weight of their bodies relatively evenly distributed across 4 points. We put all the weight of supporting our upper half on our lumbar. Even in the best of conditions, problems are bound to happen.
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