Another fatty fish that is an excellent source of vitamin D is the swordfish. The USDA lists a 100-gram serving as containing ...

The Vitamin D Blood Test (25-OH Vitamin D): Who, How, When, and Where Clinically speaking, things began to change in the 1970s when the blood test for vitamin D (known as the "25-OH vitamin D ...

When Mayo Clinic researchers began studying vitamin D's effects on older adults' blood pressure, they didn't anticipate the ...

Elevated calcium levels from Vitamin D toxicity can lead to neurological symptoms, including confusion, depression, irritability, or even psychosis in severe cases. While Vitamin D is essential ...

Pediatric patients with severe obstructive sleep apnea and a vitamin D deficiency faced more severe sleep apnea vs. those ...

Ongoing research has suggested a possible link between Vitamin D deficiency and dementia. Dementia is not a disease in itself ...

Mice with low vitamin D had exaggerated craving for opioids and felt the drugs’ effects more strongly—results supported in part by human medical records—suggesting that supplements should be explored ...

MS children with MS exposed to sunlight for at least half an hour per day as babies tend to have less disease activity, per a study.

Over the past few decades, the "normal" blood level of vitamin D (25-OH vitamin D) was based on the amount needed to keep PTH from becoming abnormally high. Again, PTH at high levels can cause ...