Hardening of Heart Valves is a Major Predictor for Mortality, Mayo Clinic Finds - The Epoch Times

A study by Mayo Clinic has found that a common hardening of valves in the heart, which affected ...

A study by Mayo Clinic has found that a common hardening of valves in the heart, which affected around a quarter of patients checking for heart conditions, increases the risk of mortality as well as … [+2815 chars]

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