Peter Attia· MD
Low levels of calcium in the blood stimulate parathyroid hormone secretion. As parathyroid hormone level goes up, it stimulates the release of calcium from the bone into the blood.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
Low levels of calcium in the blood stimulate parathyroid hormone secretion. As parathyroid hormone level goes up, it stimulates the release of calcium from the bone into the blood.
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