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This Vitamin Deficiency Makes Your COVID Death Risk Soar, Study Says

Best Life logo Best Life 8/11/2020 Colby Hall
a close up of a hand: A few supplements can do an aging mind and body a lot of good. Take vitamin D, for instance. According to research published in JAMA, approximate 75 percent of American teens and adults are deficient in the vitamin—and this is a problem, seeing as vitamin D deficiency can lead to everything from cancer and obesity to diabetes. © Provided by Best Life

A few supplements can do an aging mind and body a lot of good. Take vitamin D, for instance. According to research published in JAMA, approximate 75 percent of American teens and adults are deficient in the vitamin—and this is a problem, seeing as vitamin D deficiency can lead to everything from cancer and obesity to diabetes.

The coronavirus continues to surge in some parts of the country, but regardless of how your state is doing right now, the threat of COVID-19 is still very real. Many of us have been wearing our masks, washing our hands, and keeping our six feet of distance. But there are other factors that play a role in how likely you are to stave off the virus. In fact, a recent study published in the Journal of Endocrinological Investigation suggests that "patients with severe vitamin D deficiency had a significantly higher mortality risk."

The prevalence of vitamin D—or more to the point, the lack of this vital nutrient—has been associated with coronavirus survival for months, but a group of Italian doctors are adding more data to that body of research. The researchers behind this new study evaluated 42 patients with acute respiratory failure due to COVID-19, who had all been treated in the Respiratory Intermediate Care Unit (RICU) in a clinic in the Bari province in March and April. What the researchers found was that after 10 days of hospitalization, patients with severe vitamin D deficiencies had a 50 percent chance of dying from the virus, while those with vitamin D levels of at least 10 ng/mL had only a 5 percent mortality risk.

This new report is consistent with a May study by researchers at Northwestern University who also found a correlation between vitamin D deficiency and coronavirus-related deaths. Vadim Backman, PhD, who led the Northwestern study, concluded that increasing vitamin D to healthy levels could potentially cut a patient's mortality rate in half.

a table topped with different types of food: Vitamin D Supplements © Provided by Best Life Vitamin D Supplements

It's been estimated that about 20 percent of the U.S. population has deficient or inadequate levels of vitamin D. And unfortunately, vitamin D deficiency can be difficult to diagnose because its symptoms are consistent with many other health issues, including depression and insomnia. The most reliable way to find out if you are deficient in vitamin D is to see a medical professional and get a blood test.

And if you are in fact vitamin D deficient, besides getting some more sunlight, you can increase your vitamin D levels by eating oil-rich fish like salmon and sardines, eggs, milk, cereals, and certain juices, according to the CDC.

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In this latest study out of Italy, the researchers note that their findings "suggest a possible role for the vitamin D supplementation in the supportive treatment of COVID-19 patients." So, while vitamin D cannot prevent you from getting the virus, keeping your levels in a healthy range can help you avoid a worst-case scenario if you do contract coronavirus. And for more about your COVID risk, check out 24 Things You're Doing Every Day That Put You at COVID Risk.


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