Research has shown that the danger comes from dietary intake of foods that contain high levels of cholesterol such as meats, eggs and dairy products. This contributes to the risk of atherosclerosis and thicker arteries. This plaque can block blood vessels and contribute to the formation of clots. Smoking - If you stop smoking today, your risk of stroke will begin to drop now. Smoking almost doubles a person's risk of stroke, independent of any other risk factors.
Some studies indicate that there is a relationship between drinking too much and stroke.
US Agency For Healthcare Research and Quality.