Folic acid supplements reduce stroke risk

A meta-analysis published in the most recent issue of The Lancet concluded that supplementing with the B vitamin folic acid can reduce stroke risk by at least 18 percent.

Researchers analyzed eight randomized trials involving folic acid and stroke . Participants supplementing with folic acid lowered their risk of stroke by an average of 18 percent [...]

Omega-3 fatty acid intake associated with lower heart disease risk

Increased consumption of omega-3 fatty acids in the diet is associated with lower levels of inflammation and endothelial activation, according to results from a study at Harvard.
Dysfunction of the endothelium , which is the inner lining of the blood vessel wall, is an early event in the development of atherosclerosis and subsequent heart disease.

Food frequency [...]

Higher plasma vitamin C concentrations predict lower risk of stroke in adults

In a British study of over 20,000 adults, those with the highest plasma vitamin C levels had a significantly lower risk of stroke when compared to adults with lower levels.

To date, clinical trials have not shown significant benefit of vitamin C supplementation in reducing stroke risk, but they have not examined the relation between plasma [...]