Stroke is caused by a disturbance of blood flow to your brain, either due to a blood clot or bleeding.
In developed nations, stroke is the second most common cause of death, right behind heart disease .
The relationship between olive oil and stroke risk has been studied extensively.
A large review of studies in 841,000 people found that olive oil was the only source of monounsaturated fat associated with a reduced risk of stroke and heart disease .
In another review in 140,000 participants, those who consumed olive oil were at a much lower risk of stroke than those who did not