The Stroke Association has completed 15,000 blood pressure checks with Royal Mail employees.
Anyone can have a stroke, although there are some things that make you more at risk than others.
Cholesterol is a fatty substance that is found in our blood. Reducing your cholesterol level can reduce your risk of stroke.
Atrial fibrillation is a type of irregular heartbeat that can cause blood clots to form in your heart. Having atrial fibrillation increases your risk of stroke by five times.