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50+: Live Better, Longer

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Vitamin D May Cut Elders' Falls

Fewer Falls Seen in Elderly Taking High Vitamin D Dose
WebMD Health News
Reviewed by Louise Chang, MD

Feb. 23, 2007 -- Vitamin D, taken in a high dose, may help prevent falls in the elderly.

That finding comes from a study of 124 residents of a Boston nursing home.

The study shows that residents who took a daily dose of 800 international units (IU) of vitamin D for five months were less likely to fall than those who took either lower doses or no vitamin D.

"Ensuring that nursing home residents are receiving adequate daily supplemental vitamin D may reduce the number of falls in elderly nursing home residents and could potentially reduce the risk of fracture in this high-risk group," write the researchers.

They included Kerry Broe, MPH, of the Institute for Aging Research at Hebrew SeniorLife in Massachusetts. Hebrew SeniorLife operates senior health care, housing, research, and education in the Boston area.

The study appears in the Journal of the American Geriatrics Society.

About Vitamin D

Vitamin D acts in the body as a hormone. Its tasks include keeping bones strong by boosting their calcium absorption.

Vitamin D may also help muscle function, Broe's team notes.

The body makes vitamin D when exposed to sunlight. But that ability fades with age, leaving older adults at risk of vitamin D deficiency.

Vitamin D is also found in some foods, including milk fortified with vitamin D, cod liver oil, salmon, tuna, and eggs.

Participants in Broe's study were 89 years old, on average. Most were white women. All lived at a long-term care facility run by Hebrew SeniorLife.

Sixty-two percent of the group had fallen in the year before the study.

When the study started, 63% of participants were taking a multivitamin. But 57% of the entire group -- and 54% of those taking a multivitamin -- had low blood levels of vitamin D.

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