1. Age.
   Stroke may happen toanyone, but with age the risk of stroke significantly increases. In fact, after 55 years of ageit doubles and keeps doubling every 10 years after that.
2. Gender.
   More men have strokes earlier in life, while more women have more strokes after menopause.
3. Heredity.
   Risk of stroke increases if there is a family history of stroke.
4. TIA or prior strokes.
   A person who already had a stroke or TIA before is more likely to be afflicted again.

Most common risk factors due to health conditions:

1. High blood pressure·
2. Diabetes
3. Carotid and Peripheral artery disease (PAD)
4. Atrial fibrillation
5. Heart Disease
6. Sickle cell disease
7. High cholesterol

Other risk factors are defined by lifestyle choices like smoking, excessive alcohol consumption, lack of exercise, poor diet and such.