Daily Local News (West Chester, PA)

The miracle of Vitamin D

- By Pamela Leland, PhD

Spring has finally arrived and the sun is shining!

We can now more easily get our required daily dose of Vitamin D.

Sometimes referred to as the “sunshine vitamin” because your body naturally produces it when exposed to sunlight, Vitamin D is increasing­ly being recognized for its wide and varying health benefits. There is clear evidence that Vitamin D supports growth and developmen­t of bones and teeth and supports a healthy immune system. There is also a growing body of evidence that sufficient Vitamin D levels can reduce depression and boost weight loss. Maybe most importantl­y, however, is the increasing indication that sufficient levels of Vitamin D can maintain cognitive health and reduce the risks of dementia.

The Alzheimer’s Associatio­n reported in 2014 that an internatio­nal research team documented that those with a severe Vitamin D deficiency were more than twice as likely to develop Alzheimer’s or another cognitive disease. Lead researcher, David Llewellyn, commented, “We expected to find an associatio­n between low Vitamin D levels and the risk of dementia and Alzheimer’s disease, but the results were surprising — we actually found that the associatio­n was twice as strong as we anticipate­d.” The body of evidence regarding the connection between dementia and Vitamin D levels is still evolving, however, given the increasing rates of dementia and the economic consequenc­es of this disease, interest in the research community is significan­t and growing.

In addition to the important benefits listed above, Sarah Klein, writing on Prevention.com in 2017, promotes the following, more specific benefits of Vitamin D.

1. Vitamin D makes you less likely to fall at home.

One in three older adults living at home will take a spill each year. But Vitamin D supplement­s seem to help reduce that risk. A small study of homebound adults found that those adults taking Vitamin D had about half the number of falls as those taking a placebo.

2. It may ward off vision damage.

The main reason our vision starts to slip after 50 is because of what’s called age-related macular degenerati­on. A recent study by University of Buffalo researcher­s found that women with a Vitamin D deficiency had a much higher risk of age-related macular degenerati­on – as much at 6 times higher – than those with sufficient levels of Vitamin D.

3. Vitamin D might stop that weird muscle spasm you’ve been trying to ignore.

One of Vitamin D’s crucial roles in our bodies is keeping our muscles functionin­g and strong by helping them absorb calcium. Klein writes that “While there’s a lot we don’t know about the little muscle abnormalit­ies we call cramps, spasms, and twitches, it seems like not getting enough Vitamin D may be one cause of those annoyances.” Vitamin D’s benefits also seem to address the pain from fibromyalg­ia.

4. People with enough Vitamin D are at a lower risk of heart disease and benefit from high levels of HDL or “good cholestero­l.”

5. It can slow weight gain. A Journal of Women’s Health study of more than 4,600 women 65 or older, found that those with insufficie­nt Vitamin D levels gained 2 more pounds over 4.5 years than those with enough D.

6. It could help you prevent chronic headaches. While the specific link between headaches and the “sunshine vitamin” remains unclear, some re-

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