Vitamin K News and Research

Latest Vitamin K News and Research

Tiny hearts may have big problems with complementary medicine

Giving supplement such as herbs, vitamins, and other natural health products to children taking Warfarin for congenital heart defects could increase their risk of clots, bleeding, and other complications, nurse practitioner Mary Bauman and Dr. Patti Massicotte told the 2008 Canadian Cardiovascular Congress, co-hosted by the Heart and Stroke Foundation and the Canadian Cardiovascular Society.

28 Oct 2008

Selenium and vitamin E supplements do not prevent prostate cancer

Initial, independent review of study data from the Selenium and Vitamin E Cancer Prevention Trial (SELECT), funded by the National Cancer Institute (NCI) and other institutes that comprise the National Institutes of Health shows that selenium and vitamin E supplements, taken either alone or together, did not prevent prostate cancer.

28 Oct 2008

Vitamin E and selenium do not prevent prostate cancer

A major study on whether vitamin E and selenium prevent prostate cancer has been stopped because the supplements are not effective and also because there is a suspicion of a risk.

28 Oct 2008

Sunshine could help fix male infertility

Australian fertility experts say a dose of daily sunshine could help men with fertility problems and they suggest couples struggling to conceive should consider getting out in the sunshine more often.

22 Oct 2008

People lacking essential antioxidants and sunlight more likely to develop advanced macular degeneration

People who lack essential antioxidants, and who have high levels of sunlight exposure, have a higher risk of developing advanced macular degeneration (AMD), according to a study published today in the journal Archives of Ophthalmology. AMD is the leading cause of poor vision in the UK.

20 Oct 2008

Combo of sunlight and low antioxidant levels leave seniors at risk of eye disease

European research has revealed that blue light exposure from the sun combined with low plasma levels of antioxidants may contribute to certain forms of the eye disease age-related macular degeneration (AMD).

14 Oct 2008

High-dose vitamin B supplements do not slow cognitive decline in Alzheimer's

A clinical trial led by Paul S. Aisen, M.D., professor of neurosciences at the University of California, San Diego School of Medicine, showed that high-dose vitamin B supplements did not slow the rate of cognitive decline in patients with mild to moderate Alzheimer disease.

14 Oct 2008

Low levels of vitamin D linked to Parkinson's

Scientists in the U.S. have found that many people suffering from Parkinson's disease have inadequate levels of vitamin D compared to healthy people.

14 Oct 2008

Experts say double the daily dose of vitamin D for children

The American Academy of Pediatrics says children - from newborns up to teenagers - should be given double the current recommended amount of vitamin D because research has shown it may help prevent serious diseases.

14 Oct 2008

Prevalence of vitamin D insufficiency in patients with Parkinson's and Alzheimer's disease

A majority of Parkinson's disease patients had insufficient levels of vitamin D in a new study from Emory University School of Medicine.

13 Oct 2008

People lacking vital antioxidants and exposed to sunlight more likely to develop eye disease later in life

13 Oct 2008

Children with cystic fibrosis not well covered by guidelines for vitamin D needs

Existing recommendations for treating vitamin D deficiency in children with cystic fibrosis (CF) are too low to cover the serious need, leaving most at high risk for bone loss and rickets, according to researchers at Johns Hopkins Children's Center.

12 Oct 2008

Use of oral vitamin D supplements may help prevent eczema

A study led by researchers at the University of California, San Diego School of Medicine suggests that use of oral Vitamin D supplements bolsters production of a protective chemical normally found in the skin, and may help prevent skin infections that are a common result of atopic dermatitis, the most common form of eczema.

6 Oct 2008

A little alcohol goes a longer way in women than in men

Alcohol can be a boon or a bane for health. The difference lies in the dose - a little is good, a lot is bad. But the dividing line between a little and a lot differs from person to person. It depends on many things, including sex.

6 Oct 2008

Vitamin C supplements appear to undercut the effectiveness of cancer drugs

A new study by scientists in the United States has revealed that vitamin C may blunt the effectiveness of chemotherapy treatment.

1 Oct 2008

Sun exposure may have an anti-melanoma effect

Italian researchers have found a link between vitamin D and the risk of developing a melanoma and they say that individuals with certain variants in a vitamin D-related gene, called BsmI, may be at an increased risk of developing melanoma.

22 Sep 2008

Vitamin may protect the ageing brain from memory loss

Scientists in Britain are suggesting that a vitamin found in meat, fish and milk, may offer protection against memory loss in older people.

9 Sep 2008

Oxidative stress: mechanism of cell death clarified

Dr. Marcus Conrad of the Institute of Clinical Molecular Biology and Tumor Genetics at the Helmholtz Zentrum Munchen has decrypted the molecular mechanism through which the death of cells is caused by oxidative stress.

3 Sep 2008

Vitamin B deficiency may cause vascular cognitive impairment

A deficiency of B-vitamins may cause vascular cognitive impairment, according to a new study. Researchers at the Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University used an experimental model to examine the metabolic, cognitive, and microvascular effects of dietary B-vitamin deficiency.

2 Sep 2008

Exclusive breastfeeding increases child's risk for vitamin D deficiency; black, darker-skinned children already have increased risk

Exclusive breastfeeding can increase a child's risk of developing rickets because breast milk alone does not provide adequate levels of vitamin D, a critical ingredient that helps to absorb calcium and build strong bones, the New York Times reports. Rickets develops when a child's vitamin D levels are too low and is characterized by the curving of a child's legs and the softening of other bones. Some children are asymptomatic.

28 Aug 2008