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The "sunshine vitamin," as it's sometimes called, may have nothing to do with one common sleep condition.
A new study found no evidence to support a link between vitamin D deficiency and an increased risk of obstructive sleep apnea (OSA) in non-obese older men. What's more is vitamin D deficiency is also unlikely to worsen preexisting OSA symptoms in these patients.
OSA is a sleep disorder in which breathing is briefly and repeatedly interrupted during sleep. This can cause poor sleep and low blood oxygen levels, which can increase the risk of high blood pressure and heart disease.
