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... rinciples of bones, hypothesizing step by step:
As everyone knows, the strength of bones is closely related to the calcium content within them. More calcium means stronger bones; less calcium means weaker bones.
In normal individuals, due to disease, aging, or other special reasons, calcium loss occurs, leading to osteoporosis. Bone strength gradually decreases to the point where it cannot support the body's weight, resulting in compression fractures of the spine and similar issu ...
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