Homocysteine News and Research

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B-vitamin supplements do not prevent heart attack

B-vitamin supplements should not be recommended for prevention of heart disease, say scientists. A Cochrane Systematic Review has shown these supplements do not reduce the risk of developing or dying from the disease.

7 Oct 2009

Study looks at vitamin supplements for celiac disease

Coeliac disease is a typical example of a malabsorption syndrome conferring increased risk for various deficiency states, including folate and vitamin B12.

2 Apr 2009

Study looks at effect of vitamin B6, folate, and vitamin B12 supplements in coeliac disease

Coeliac disease is a typical example of a malabsorption syndrome conferring increased risk for various deficiency states, including folate and vitamin B12.

3 Mar 2009

Vitamins B6 and B12 plus folic acid may reduce risk of age-related macular degeneration in women

Taking a combination of vitamins B6 and B12 and folic acid appears to decrease the risk of age-related macular degeneration in women, according to a report in the February 23 issue of Archives of Internal Medicine , one of the JAMA/Archives journals.

23 Feb 2009

Vitamin B and folic acid - a new and safe treatment for migraine

A new Australian study has revealed that the occurrence and intensity of migraine may be lessened by taking vitamin B and folic acid.

9 Feb 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

Folic acid does not offer any cardiovascular benefits

Folic acid is safe - but it lacks any cardiovascular benefits - according to researchers presenting at the American Heart Association's Scientific Sessions 2008. The results from the Study of the Effectiveness of Additional Reductions in Cholesterol and Homocysteine (SEARCH), a 12,064-person, randomized study, were presented as a late-breaking clinical trial.

11 Nov 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

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

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

Vitamin B supplements offer no protection from heart disease

According to recent research vitamin B or folic acid supplements do not prevent death in patients with heart disease.

20 Aug 2008

Personal genomes may lead to personalized vitamin supplements

As the cost of sequencing a single human genome drops rapidly, with one company predicting a price of $100 per person in five years, soon the only reason not to look at your "personal genome" will be fear of what bad news lies in your genes.

2 Jun 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

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

What we eat and drink affects our risk of cancer

A healthy diet and lifestyle protect against a wide range of diseases, and new research presented at the American Association for Cancer Research 2008 Annual Meeting, April 12-16, shows that cancer is no exception.

13 Apr 2008

Low levels of dietary folate linked to sperm abnormalities

Healthy men who report lower levels of the nutrient folate in their diets have higher rates of chromosomal abnormalities in their sperm, according to a new study by researchers at the University of California, Berkeley, and the Lawrence Berkeley National Laboratory.

20 Mar 2008

Wine harder on the brain than beer

Scientists say wine damages the brain more than beer or spirits, because it particularly affects the hippocampus, the part of the brain associated with memory and spatial awareness.

17 Mar 2008

Low-fat better than low-carb diets for heart health

Low-fat diets are more effective in preserving and promoting a healthy cardiovascular system than low-carbohydrate, Atkins'-like diets, according to a new study by researchers at the Medical College of Wisconsin in Milwaukee.

1 Mar 2008

Vitamin B-12 function may be diminished by excessive folate

In a study of adults aged 20 and over, researchers at Tufts University showed that homocysteine and methylmalonic acid are at much higher levels in individuals who have a combination of vitamin B12 deficiency and high blood folate levels than in individuals who are also vitamin B12 deficient but have normal folate levels.

20 Dec 2007

Genetic differences point to ethnic and racial disparities in colorectal cancer risk

Risk of developing colorectal cancer is known to differ across ethnic and racial groups, and now an analysis of 26 studies, involving over 25,000 participants shows that some of these disparities might be explained by distinct patterns of genetic inheritance.

29 Nov 2007