Epidemiological studies suggest that strokes are largely preventable. To prevent a stroke, it is necessary to first understand the risk factors that lead to it. Modifiable, treatable and controllable risk factors include hypertension, diabetes, heart disease, carotid artery disease, etc.; Risk factors requiring lifestyle changes include smoking, insufficient exercise, obesity, excessive drinking, etc.; In addition, there are some risk factors that cannot be changed, including age, genetics, race, etc. Predicting your risk of stroke in advance using a stroke risk assessment tool, and then taking measures to change, treat those controllable risk factors can be very helpful in preventing strokes.