The research is reported in the journal Stroke.

BBC: Lab mice

However, the newest research published in the current issue of the American Heart Association's journal Stroke shows just half an hour of moderate exercise five days a week reduces the risk for stroke by almost 25 percent.

CNN: Study: Exercise cuts stroke risk by almost half

The study is published in Stroke: Journal of the American Heart Association.

BBC: Herpes virus linked to dementia

For example, DeCode last week published a paper describing a gene related to stroke in the scientific journal Nature Genetics.

FORBES: Magazine Article

You may have heard about a new study published in the May issue of the American Journal of Nutrition that found an increased risk of stroke in people who consumed more than one soda per day.

CNN: Is drinking soda really that bad for you?

Comparing the top and bottom groups showed those eating the most chocolate were 17% less likely to have a stroke during the study, published in the journal Neurology.

BBC: Chocolate may protect the brain from stroke

Two out of the three patients had suffered a stroke, according to the study published in the scientific journal of the American Academy of Neurology.

BBC: Stroke 'link' to combining medicines