Vitamin D is important for bone health, immunity and mood regulation but many of us are unwittingly deficient in it. Knowing ...

Studies reveal that taking certain supplements in the evening can dramatically affect sleep quality and cause you to wake up more often at night.

Fact checked by Jennifer Klump Daylight saving time doesn’t end for another month, but the precious hours of sunlight are already slipping away. Now’s the time to prepare for darker mornings and ...

Researchers analyzed 11 trials with 655 adults and discovered that taking vitamin D2 supplements decreases the body's vitamin D3 levels, a previously unknown effect.

We’re nearing the end of what’s been a long winter for people in many parts of the United States. In the middle and northern regions of the U.S., where winter brings not only cold but limited sun, ...

Research warns that one widely used vitamin D supplement may unintentionally lower the body’s natural D3 levels.

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 ...

When it comes to the complete well-being of the human body, vitamin D plays a crucial role. It keeps the bones healthy and ...

In a multivariable analysis of kids who were undergoing adenotonsillectomy, obstructive Apnea-Hypopnea Index (AHI) scores (which range from ≥5 to ≥30 apnea and hypopnea events per hour) were ...

As the days grow shorter and the weather turns cooler, many people may feel their mood dip. For those who struggle with SAD, ...