Vitamin D deficiency is common in children with severe obstructive sleep apnea (OSA) and is associated with increased OSA severity. Lower serum 25-hydroxyvitamin D levels correlate with higher ...

Lauren Finney Harden is a contributing writer for InStyle and specializes in the entire lifestyle spectrum, from fashion and beauty products to parenting to wellness to breaking trends. Timeless ...

Vitamin D is widely known for boosting bone health, muscle strength and immune function, but it also has a range of other benefits — including cancer prevention. A new study published in the ...