Researchers analyzed 11 trials with 655 adults and discovered that taking vitamin D2 supplements decreases the body's vitamin ...

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

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, ...

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 ...

Rather than simply enduring the seasonal shift, experts suggest a proactive approach: a comprehensive "autumn health MOT." Dr ...

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, ...

We know that diet and sleep are deeply connected. But the truth is, we don’t know nearly enough yet about how individual nutrients impact our sleep. Here, I look at five vitamins that appear to play a ...

GREENSBORO, N.C. — If you have trouble sleeping, you’re not alone. According to a recent Consumer Reports survey, only 42 percent of us would describe our sleep as good or very good. Consumer Reports ...