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The problem is that the evidence often does not match the claim being sold
We have also explored the potential role of vitamin B12 in preventing stroke and coronary artery disease
So, over time, that impact weakens your bone
The report was uncontrolled, unblinded, not randomized, had no comparator arm, used patient-reported outcomes rather than validated pain instruments, and did not publish dose, effect size, confidence intervals, p-values, or systematically collected adverse events limitations that severely constrain any clinical inference
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