Vitamin K News and Research

Latest Vitamin K News and Research

HIV patients suffer more from osteoporosis

Following the introduction of HAART (Highly Active Antiretroviral Therapy), the survival and quality of life for people infected with the human immunodeficiency virus (HIV-1) have increased in the resource-rich countries. However, with this improved prognosis an increase in long term negative disorders has been observed, namely osteoporosis (the gradual loss of bone mass).

25 May 2008

Trends of vitamin B6 status in US population sample identified in study

In an epidemiological study, Tufts University researchers identified trends of vitamin B6 status in a sample of the United States population based on measures of plasma pyridoxal 5'- phosphate (PLP) levels in the bloodstream. Plasma PLP is the indicator used by the federal government to set the current Recommended Dietary Allowance (RDA) of vitamin B6, a nutrient essential for red blood cell function and important for maintaining a healthy immune system and blood glucose levels.

20 May 2008

Drug therapy for phenylketonuria reverses heart damage

A pricy drug used to treat a rare but well-known genetic disorder may hold wider promise as a treatment for millions of Americans with potentially lethal enlarged hearts, due mainly to high blood pressure, a study from Johns Hopkins shows.

13 May 2008

Vitamin D protects cells from stress that can lead to cancer

By inducing a specific gene to increase expression of a key enzyme, vitamin D protects healthy prostate cells from the damage and injuries that can lead to cancer, University of Rochester Medical Center researchers report.

13 May 2008

Holiday 'binge tanning' increasing skin cancer risk for young brits

A new survey, released today by Cancer Research UK to raise awareness of its annual SunSmart campaign, has identified a worrying trend for 'binge tanning' among young people heading off on holiday this summer.

8 May 2008

Vitamin D linked to reduced mortality rate in chronic kidney disease

For patients with moderate to severe chronic kidney disease (CKD), treatment with activated vitamin D may reduce the risk of death by approximately one-fourth, suggests a study in the August Journal of the American Society of Nephrology.

7 May 2008

Folic acid, B vitamins not linked to reduced risk of cardiovascular events in high-risk women

Women at high-risk of cardiovascular disease who took a daily supplement of folic acid and vitamin B6 and B12 for seven years did not have an overall reduced rate of cardiovascular events, despite a significant lowering of homocysteine levels, according to a study in the May 7 issue of JAMA, the Journal of the American Medical Association.

6 May 2008

Depression in seniors linked to low levels of vitamin D

Researchers in Holland have found that older people with low blood levels of vitamin D and high blood levels of the parathyroid hormone are more likely to be depressed.

6 May 2008

Low blood levels of vitamin D may be associated with depression in seniors

Older adults with low blood levels of vitamin D and high blood levels of a hormone secreted by the parathyroid glands may have a higher risk of depression, according to a report in the May issue of Archives of General Psychiatry.

5 May 2008

New findings on vitamin E and cataracts in women

A new analysis of the Women's Health Study (WHS) found that women who took Vitamin E supplements had rates of cataract development comparable to women who did not take such supplements.

1 May 2008

Alzheimer's and diabetes link

Diabetic individuals have a significantly higher risk of developing Alzheimer's disease but the molecular connection between the two remains unexplained. Now, researchers at the Salk Institute for Biological Studies identified the probable molecular basis for the diabetes - Alzheimer's interaction.

30 Apr 2008

Vitamin D protects women from breast cancer

The connection between vitamin D levels and certain forms of cancer has been suspected for some time but now German researchers have come up with clear proof of the link.

21 Apr 2008

New technology tracks medication adherence in patients with HIV/AIDS

Most of us have missed a dose of antibiotic or forgotten to take a daily vitamin. But when the stakes are higher - as they are for people with HIV/AIDS - a skipped pill could mean the difference between health and hazard for the entire population.

21 Apr 2008

Peripheral arterial disease linked to too little vitamin D

According to the results of the latest research peripheral arterial disease (PAD) may be linked to low levels of vitamin D.

21 Apr 2008

Is there convincing biological or behavioral evidence linking vitamin D deficiency to brain dysfunction?

In a definitive critical review, scientists at Children's Hospital & Research Center Oakland ask whether there is convincing biological or behavioral evidence linking vitamin D deficiency to brain dysfunction.

21 Apr 2008

Vitamin D and the risk of developing breast cancer

A connection between vitamin D level and the risk of developing breast cancer has been implicated for a long time, but its clinical relevance had not yet been proven.

18 Apr 2008

Antioxidant supplements for prevention of mortality in healthy participants and patients with various diseases

Many people take antioxidants in the belief that they will prolong their life expectancy. However, data from 67 randomised trials that involved just under a quarter of a million people failed to support this idea, a Cochrane Systematic Review has discovered.

17 Apr 2008