Vitamin A Deficiency News and Research

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No clear link between the levels of vitamin D in the blood and depression

A lack of Vitamin D, due to reduced sunlight, has been linked to depression and the symptoms of Seasonal Affective Disorder (SAD), but research by the University of Warwick shows there is no clear link between the levels of vitamin D in the blood and depression.

17 Mar 2009

Statins reduce odds of an asthma-related hospitalization or ER visit

Results of a new study presented at the 2009 Annual Meeting of the American Academy of Asthma, Allergy and Immunology (AAAAI) show dramatic reductions in emergency room (ER) visits and hospitalizations for asthma patients taking cholesterol-lowering statins in addition to common asthma treatments.

15 Mar 2009

One in seven American adolescents is vitamin D deficient

One in seven American adolescents is vitamin D deficient, according to a new study by researchers in the Department of Public Health at Weill Cornell Medical College.

11 Mar 2009

Vitamin D may help fight common colds

Vitamin D may be an important way to arm the immune system against disorders like the common cold, report investigators from the University of Colorado Denver (UC Denver) School of Medicine, Massachusetts General Hospital (MGH) and Children's Hospital Boston.

23 Feb 2009

Arab-American women need supplement to boost dangerously low vitamin D levels

Arab-American women living in southeast Detroit whose conservative dress limits their exposure to sun should be taking a vitamin D supplement to boost their dangerously low serum levels, according to a study published by Henry Ford Hospital researchers.

16 Feb 2009

Discovery of direct link between vitamin D and MS susceptibility 'gene'

Researchers have found evidence that a direct interaction between vitamin D and a common genetic variant alters the risk of developing multiple sclerosis (MS).

8 Feb 2009

Vitamin D related to muscle power, force, velocity and jump height in adolescent girls

Vitamin D is significantly associated with muscle power and force in adolescent girls, according to a new study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism ( JCEM ).

3 Feb 2009

Seasonal variation in blood pressure

A French study reported in the 12th January issue of Archives of Internal Medicine has found a strong correlation between blood pressure and outdoor temperature in a large sample of the elderly.

19 Jan 2009

Vitamin D offers widespread benefits for health

Vitamin D is quickly becoming the "it" nutrient with health benefits for diseases, including cancer, osteoporosis, heart disease and now diabetes.

12 Jan 2009

Research highlights recognized disease risks associated with vitamin D deficiency

Once believed to be important only for bone health, vitamin D is now seen as having a critical function in maintaining the immune system throughout life.

17 Dec 2008

Three-quarters of youths with type 1 diabetes have vitamin D deficiency

Three-quarters of youths with type 1 diabetes were found to have insufficient levels of vitamin D, according to a study by researchers at the Joslin Diabetes Center - findings that suggest children with the disease may need vitamin D supplementation to prevent bone fragility later in life.

15 Dec 2008

Insufficient vitamin D causes weight gain and stunts growth in girls

Even in sun-drenched California, where scientists from the McGill University Health Centre (MUHC) and the University of Southern California conducted their study, vitamin D deficiency was found to cause higher body mass and shorter stature in girls at the peak of their growing spurt.

10 Dec 2008