Vitamin K News and Research

Latest Vitamin K News and Research

Study finds vitamin use is highest in children who don't need them

A study by UC Davis researchers published in the February 2009 issue of the Archives of Pediatric & Adolescent Medicine has found that most of the healthy children and teenagers in the United States who are taking daily vitamin and mineral supplements probably don't need them.

2 Feb 2009

Vitamin and mineral supplement use high among U.S. children and teens

A large number of U.S. children and teens age 2 to 17 appear to use vitamin and mineral supplements, although most may not need them, according to a report in the February issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

2 Feb 2009

Vitamin D linked to cognitive problems in seniors

Researchers from the Peninsula Medical School, the University of Cambridge and the University of Michigan, have for the first time identified a relationship between Vitamin D, the "sunshine vitamin", and cognitive impairment in a large-scale study of older people.

23 Jan 2009

Genetic testing not cost-effective in guiding initial dosing of blood-thinner warfarin

New analyses led by the University of Cincinnati (UC) show that genetic testing used to guide initial dosing of the blood-thinner warfarin may not be cost-effective for typical patients with atrial fibrillation but may be for patients at higher risk for major bleeding.

19 Jan 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

Scientists explain genetic disease first discovered in Quebec 24 years ago

Scientists at the MUHC and McGill University have identified a gene essential for the uptake of vitamin B12 in human cells.

15 Jan 2009

Pasture-based farming passes the taste test and is healthier too

Cattle and sheep grazed on natural grasslands help maintain biodiversity and produce tastier, healthier meat, according to a study funded by the Economic and Social Research Council (ESRC).

15 Jan 2009

Fatty liver disease medication may have no effect

A new randomized, prospective trial has shown that orlistat, a commonly prescribed inhibitor of fat absorption, does not help patients with fatty liver disease (FLD) lose weight, nor does it improve their liver enzymes or insulin resistance.

13 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

Parkinson's increases risk for orthopaedic conditions

Although Parkinson's disease (PD) is a neurological disorder, according to an article in the January 2009 issue of the Journal of the American Academy of Orthopaedic Surgeons, the disease also increases a person's risk of experiencing complicated orthopaedic conditions.

5 Jan 2009

Vitamins C and E and beta carotene again fail to reduce cancer risk in randomized controlled trial

Women who took beta carotene or vitamin C or E or a combination of the supplements had a similar risk of cancer as women who did not take the supplements, according to data from a randomized controlled trial in the December 30 online issue of the Journal of the National Cancer Institute.

1 Jan 2009

New understanding of genetic signature associated with Alzheimer's disease

Scientists have new information about the complex genetic signature associated with Alzheimer's disease, the leading cause of cognitive decline and dementia in the elderly.

1 Jan 2009

Women double fruit and vegetable intakes with switch to Mediterranean diet

In a new study led by the University of Michigan Health System, women more than doubled their fruit and vegetable intakes and dramatically increased their consumption of "good" fats when they were counseled by registered dietitians and provided with a list of guidelines on the amount of certain foods they should eat each day.

17 Dec 2008

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

Planned safety analysis of a breast cancer prevention study reveals encouraging news for Exemestane

An interim analysis of a breast cancer prevention study using exemestane (Aromasin) finds an "acceptable" level of bone loss.

14 Dec 2008

Neither vitamin E nor selenium reduce risk of prostate cancer

In perhaps the largest cancer chemoprevention trial ever conducted, researchers have found that supplementation with vitamin E or selenium, alone or in combination, was not associated with a lower risk of prostate cancer or other cancers.

10 Dec 2008

Pralatrexate shows promise for T-Cell lymphoma

Preliminary results of a pivotal Phase 2 clinical trial of pralatrexate (PDX), a drug that partially works by mimicking folic acid, showed a complete or partial response in 27 percent of patients with recurrent or resistant peripheral T-cell lymphoma (PTCL).

10 Dec 2008

Vitamin C or E do not reduce prostate cancer, or other cancers risk

In a major cancer prevention study, long-term supplementation with vitamin E or C did not reduce the risk of prostate or other cancers for nearly 15,000 male physicians.

10 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