Vitamin D supplements may cut heart attack risk
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(Don Rauf/ Everyday Health) — High-dose vitamin D supplements taken once a month may lower the likelihood of heart attack or other major cardiac events in people ages 60 and up, according to a large new study published this week in The BMJ.

Although the level of risk reduction was small, researchers discovered  …

What vitamin D can — and can’t — do for you
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(Mary Claire Fischer/ Michigan Medicine) — In the supplement world, vitamin D has long been the star.

For decades, it’s been touted as a cure-all supplement — a cheap, easy way to fix health problems ranging from depression to heart disease to even incontinence. After all, all these medical conditions have been tied to low  …

Vitamin D supplements don’t prevent bone fractures in healthy adults, study finds
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(Kaitlin Sullivan/ NBC News) — Vitamin D supplements are widely recommended to prevent bone fractures in older adults — but a clinical trial, published Wednesday in the New England Journal of Medicine, found that they may not do much after all.

In 2011, the National Academy of Medicine (then called the Institute  …

Vitamin D may reduce ovarian cancer’s ability to spread to other organs
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(Allana Akhtar/ Insider) — Vitamin D helped cells outside major organs ward off ovarian cancer cells in a Japanese university lab.

Researchers at Nagoya University Graduate School of Medicine in Japan found vitamin D counteracted a process ovarian cancer cells use to spread into different organs.

Dr. William  …