Vitamin D

Risk for Hypercalciuria With Recommended Dose of Vitamin D Supplement

Risk for Hypercalciuria With Recommended Dose of Vitamin D Supplement

The upper level of vitamin D recommended by the Endocrine Society can result in frequent hypercalciuria.

Optimizing Pregnancy Outcomes With Micronutrients

Optimizing Pregnancy Outcomes With Micronutrients

As healthy levels of folic acid, iodine, magnesium, vitamin D, and iron demonstrate improved outcomes in pregnancy, understanding of the function of these essential nutrients on health would benefit family practitioners caring for women of childbearing age.

PUFAs Inversely Associated With Asthma in Preschool Children

PUFAs Inversely Associated With Asthma in Preschool Children

Total omega-3 and omega-6 plasma polyunsaturated fatty acids relative abundances were significantly inversely correlated with asthma/recurrent wheeze and allergic sensitization.

Low Vitamin D Levels Linked to Interstitial Lung Disease

Low Vitamin D Levels Linked to Interstitial Lung Disease

Vitamin D deficiency is independently associated with subclinical interstitial lung disease and its progression.

NAMS: Breast Cancer Diagnosis May Indicate Lower Vitamin D Levels, Obesity in Postmenopausal Women

NAMS: Breast Cancer Diagnosis May Indicate Lower Vitamin D Levels, Obesity in Postmenopausal Women

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The North American Menopause Society has found that postmenopausal women with a breast cancer diagnosis may have vitamin D deficiency as well as higher rates of obesity.

Vitamin D Deficiency Associated With Lower Success Rates of Fertility Treatment in PCOS

Vitamin D Deficiency Associated With Lower Success Rates of Fertility Treatment in PCOS

Investigators sought to determine the effect of vitamin D deficiency on the success of ovarian stimulation in women with PCOS or unexplained infertility.

Sufficient Preconception Vitamin D Tied to Lower Miscarriage Risk

Sufficient Preconception Vitamin D Tied to Lower Miscarriage Risk

However, increased vitamin D levels in early pregnancy not correlated with reduced pregnancy loss.

Vitamin D Supplementation Does Not Improve Fetal, Infant Growth

Vitamin D Supplementation Does Not Improve Fetal, Infant Growth

Findings based on study of Bangladeshi women and infants, a population with known deficiency.

Vitamin D and Gestational Hypertension, Preeclampsia Risk: Is There a Connection?

Vitamin D and Gestational Hypertension, Preeclampsia Risk: Is There a Connection?

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Researchers from the University of Bristol found no association between 25-hydroxyvitamin D level and pregnancy-related hypertensive disorders.

Higher Vitamin D Levels Tied to Lower Risk of Colorectal Cancer

Higher Vitamin D Levels Tied to Lower Risk of Colorectal Cancer

In women, risk declines as levels increase up to 100 nmol/L, but association in men not significant

Vitamin D Supplements May Reduce Recurrent Wheezing in Preterm Black Infants

Vitamin D Supplements May Reduce Recurrent Wheezing in Preterm Black Infants

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In black infants who were born preterm, vitamin D supplementation may reduce the risk for recurrent wheezing.

Vitamin D Insufficiency Associated With Insulin Resistance Independent of Obesity in Children

Vitamin D Insufficiency Associated With Insulin Resistance Independent of Obesity in Children

Further clinical trials are needed to explore the potential beneficial effect of vitamin D supplementation, via fortified foods and/or dietary supplements, on insulin resistance, and possibly on weight management.

USPSTF Issues Recommendation for Vitamin D, Calcium Supplementation for Fracture Prevention

USPSTF Issues Recommendation for Vitamin D, Calcium Supplementation for Fracture Prevention

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The USPSTF has released recommendations for vitamin D and calcium supplementation for the primary prevention of fractures in community-dwelling adults.

High vitamin D concentration associated with lower cancer risk

High vitamin D concentration associated with lower cancer risk

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A higher concentration of plasma vitamin D is correlated with a decreased risk of total cancer.

Prenatal vitamin D may increase pediatric allergic rhinitis risk

Prenatal vitamin D may increase pediatric allergic rhinitis risk

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Prenatal vitamin D is associated with an increased risk for allergic rhinitis in children born to African American women, but not white women.

Race-dependent protective effect of maternal vitamin D on childhood asthma

Race-dependent protective effect of maternal vitamin D on childhood asthma

A cohort from the CANDLE study was assessed to determine if race plays a role in the protective effect of maternal vitamin D levels on childhood asthma.

Vitamin D, calcium supplements do not reduce fracture risk in older adults

Vitamin D, calcium supplements do not reduce fracture risk in older adults

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Findings do not support routine vitamin D and calcium supplementation in community-dwelling older adults for lowering the incidence of osteoporosis-related fractures.

Vitamin D supplementation not associated with reduced cancer risk

Vitamin D supplementation not associated with reduced cancer risk

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Little evidence was found for linear causal associations between genetic determinants of circulating vitamin D concentration and risk of seven cancers.

Vitamin D supplements may improve bone health in HIV-infected youth

Vitamin D supplements may improve bone health in HIV-infected youth

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High-dose vitamin D supplements improve bone mineral density in youth with HIV.

Vitamin D supplements reduce depressive symptoms, cardiac events in moderate to severe depression

Vitamin D supplements reduce depressive symptoms, cardiac events in moderate to severe depression

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In patients with depressive symptoms, vitamin D deficiency with no additional supplements had the highest depressive score at 6 months and shortest cardiac event-free survival.

High-dose vitamin D supplement use increasing, poses risk of adverse effects

High-dose vitamin D supplement use increasing, poses risk of adverse effects

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Although research has emphasized the possible benefits of vitamin D, high dosages pose potential risks.

Vitamin D not effective for preventing cardiovascular disease

Vitamin D not effective for preventing cardiovascular disease

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CVD occurred in 11.8% of participants in the vitamin D group and 11.5% in the placebo group.

Vitamin D and calcium supplementation not effective for lowering cancer risk in postmenopausal women

Vitamin D and calcium supplementation not effective for lowering cancer risk in postmenopausal women

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Vitamin D and calcium did not result in a significantly lower risk of all-type cancer, including breast cancer, in postmenopausal women.

Vitamin D supplementation reduces the risk of acute respiratory tract infection

Vitamin D supplementation reduces the risk of acute respiratory tract infection

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Patients receiving vitamin D for deficiency without bolus doses experienced the most benefit.

Rate of vitamin D deficiency increased in children from 2000 to 2014

Rate of vitamin D deficiency increased in children from 2000 to 2014

Researchers observed a 15-fold increase in diagnosis from 2008 to 2014 after accounting for demographic changes.

Vitamin D supplementation during pregnancy  reduces mite sensitization in infants

Vitamin D supplementation during pregnancy reduces mite sensitization in infants

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Mothers who take high doses of vitamin D during pregnancy reduce sensitization of their infants to mites at 18 months.

Is obstructive sleep apnea linked to low levels of vitamin D?

Is obstructive sleep apnea linked to low levels of vitamin D?

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Understanding the link between vitamin D deficiency and obstructive sleep apnea can be challenging.

Vitamin D supplementation does not improve functional outcomes in postmenopausal women

Vitamin D supplementation does not improve functional outcomes in postmenopausal women

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Vitamin D deficiency is especially prevalent in postmenopausal women, and recommendations from current guidelines are inconsistent regarding vitamin D use.

High vitamin D doses may increase fall risk in elderly

High vitamin D doses may increase fall risk in elderly

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High monthly doses of vitamin D do not improve lower extremity function and may increase fall risk in the elderly.

Vitamin D does not reduce cold severity, frequency in adults with asthma

Vitamin D does not reduce cold severity, frequency in adults with asthma

The use of vitamin D supplements does not reduce the severity or frequency of colds in adults with mild-to-moderate asthma.

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