Detailed text transcripts for TV channel - KGO - 20110420:10:07:00
But new research shows for some women it maybe doing more harm than good. deborah roberts explains. >> reporter: millions of us follow popular advice, as we age take in extra calcium to ward off brittle bones, but now a new warning may shake up the $27 billion vitamin supplement industry. found calcium supplements have increased heart attacks by more than 20% in postmenopausal women. researchers suspect the extra calcium may rapidly elevate blood calcium levels which could contribute to artery disease. athd add to that, that other reports that too much calcium can lead to kidney stones and man...
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