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Tags: vitamin d | deficiency | aging | muscle | study | medical | research

Vitamin D Crucial to Muscle Strength for Seniors

Portrait of senior man taking pill with glass of water isolated
(Peter Maszlen/Dreamstime)

Tuesday, 05 November 2019 05:17 PM EST

Vitamin D deficiency is linked with poor muscle health in older adults, a new study finds.

Maintaining muscle health helps seniors maintain their independence, mobility and quality of life. It also lowers their risk of falls and frailty.

Researchers looked at more than 4,100 people, aged 60 and older, in England. About 4 in 10 with vitamin D deficiency had muscle weakness – twice the level found among those who had adequate vitamin D levels.

Impaired muscle performance was three times more common among those with vitamin D deficiency (25.2%) than those with adequate vitamin D (7.9%).

Further analysis showed vitamin D deficiency significantly increased the odds of impaired muscle strength and performance.

The study also confirmed the benefits of exercise. Participants who got regular moderate physical activity were much less likely to have poor muscle strength and physical performance, according to the researchers at Trinity College Dublin in Ireland.

"Maintaining muscle function is incredibly important, and often overlooked, in promoting healthy aging," said researcher Maria O'Sullivan, an associate professor in nutrition. "Addressing this through multimodal approaches that incorporate physical activity, reversing vitamin D deficiency and other modifiable diet and lifestyle components require further investigation."

First author Niamh Aspell, who did her doctoral studies at Trinity, said the findings support the need for public health strategies to eliminate vitamin D deficiency in older people.

"Future research, however, should identify and focus on older adults with vitamin D deficiency and aim to better understand if reversing this deficiency improves skeletal muscle function," she said in a college news release.

Study co-author Eamon Laird, a research fellow at Trinity, said Finland is among countries that have all but eliminated deficiency in the population by fortifying food with vitamin D. "Such a policy could similarly be implemented in the UK and Ireland for older populations," he said.

The findings were recently published in the journal Clinical Interventions in Aging.

© HealthDay

Vitamin D deficiency is linked with poor muscle health in older adults, a new study finds.
vitamin d, deficiency, aging, muscle, study, medical, research
Tuesday, 05 November 2019 05:17 PM
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