Human: I'm worried about the effects of a stroke. What should I do? Assistant: 
You should contact your doctor immediately if you experience any symptoms such as sudden weakness or numbness in your face, arm, or leg; confusion or trouble speaking or understanding; sudden dizziness, trouble walking; sudden severe headache with no known cause; or sudden vision changes. It is also important to get regular checkups and maintain a healthy lifestyle by eating a balanced diet, exercising regularly, avoiding smoking, and maintaining an appropriate weight.