Calcium or vitamin D supplements do not reduce the risk of invasive breast cancer in postmenopausal women, according to a report in the Journal of the National Cancer Institute.
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One form of vitamin D could be one of our body’s main protections against damage from low levels of radiation, suggests radiological health expert Daniel Hayes, Ph.D., of the New York City Department of Health and Mental Hygiene. Writing in the International Journal of Low Radiation, Hayes explains that calcitriol, the active form of vitamin [...]

Vitamin D - a steroid-like vitamin that affects over 200 genes in the body - is essential to good health but needs to be activated to function properly in the human body. Until recently, this activation was thought to happen primarily in the kidneys, but a new University of Iowa study finds that the activation [...]

Many people who feel achy and sore, and sometimes lethargic and depressed, during the winter months may not be getting enough vitamin D. The body makes vitamin D from the sun’s ultraviolet rays, so it’s known as the sunshine vitamin, but this source is in short supply throughout late fall and winter, especially for people [...]

Estimated that half of senior citizens in North America not getting enough Vitamin D.
UCR.edu - Essential for life in higher animals, vitamin D, once linked to only bone diseases such as rickets and osteoporosis, is now recognized as a major player in contributing to overall human health, emphasizes UC Riverside’s Anthony Norman, an international expert [...]

JAMA / Archives - A majority of Parkinson’s disease patients had insufficient levels of vitamin D in a new NIH-funded study from Emory University School of Medicine.
The fraction of Parkinson’s patients with vitamin D insufficiency, 55 percent, was significantly more than patients with Alzheimer’s disease (41 percent) or healthy elderly people (36 percent).
The results [...]

New research finds patients with inflammatory bowel disease or chronic liver disease were at increased risk of developing Vitamin D deficiencies. Two separate studies highlight the importance of regular Vitamin D checkups in the evaluation of patients with certain digestive diseases.
Vitamin D Deficiency in Inflammatory Bowel Disease
Vitamin D Deficiency Associated with Lower Quality of [...]

Gastric bypass surgery for weight loss may be linked to deficiencies in calcium and vitamin D and bone loss, according to a new study accepted for publication in The Endocrine Society’s Journal of Clinical Endocrinology & Metabolism (JCEM).
With the growing epidemic of obesity, many people are opting for surgical procedures to help promote weight loss. [...]

New research published today at the annual meeting of the American Society for Bone and Mineral Research (ASBMR), Montréal, Canada, reveals that less than half (43%) of patients in Europe with osteoporosis are claiming to take both calcium and vitamin D supplementation with their osteoporosis treatment. Maximum benefit in managing osteoporosis can be achieved with [...]

Some experts fear that vitamin D deficiency, often asymptomatic, may be more common than realized, and that rickets — perceived as a 19th-century scourge wiped out by the fortification of milk — may go undetected.