Stress of open-heart surgery reduces patients’ vitamin D levels, but supplementation before and after surgery helps New study shows that giving heart patients vitamin D3 supplements before and after open-heart surgery reduced their vitamin D deficiencies By Jess Gomez The stress of open-heart surgery significantly reduces patients’ vitamin D levels, but aggressive supplementation with vitamin … Continue reading Stress of open-heart surgery reduces patients’ vitamin D levels, but supplementation before and after surgery helps