11 groups at risk of high blood pressure - and 5 signs to look for

11 groups at risk of high blood pressure - and 5 signs to look forNot everyone will show signs of having high blood pressureCommentsNewsSophie Buchan Money and Lifestyle Writer03:02, 17 Apr 2026View 3 ImagesPeople should see their doctor if they are worried about their health(Image: Getty)Blood pressure helps carry oxygen and nutrients around your body and naturally goes up and down, especially when you’re active.‌High blood pressure means your heart has to work harder to pump blood. But over time, constant high levels can make your blood vessels stiff or narrow, making it easier for fatty build-up to occur.‌Most people with high blood pressure don’t notice any symptoms and may not know they have it. But if the blood vessels to your heart or brain become blocked or damaged, it can cause a heart attack or stroke.‌What are the signs of high blood pressure?View 3 ImagesHigh blood pressure is also known as hypertension(Image: Maskot via Getty Images)Despite it being rare to show signs, it's worth knowing them just in case. According to the British Heart Foundation (BHF), symptoms can include:Blurred visionDizzinessNosebleedsShortness of breathHeadaches‌In further advice, NHS inform also notes: "There needs to be a certain level of pressure in the arteries to move blood around the body. But, if blood pressure is higher than recommended over time it increases the risk of cardiovascular diseases like stroke or heart attack."High blood pressure (or hypertension) is usually diagnosed if your blood pressure is regularly above 140/90 mmHg."What causes high blood pressure?NHS Inform says that high blood pressure often has no symptoms. It also notes "in rare cases, high blood pressure may cause symptoms".‌Regardless, it's wise to get checked out asap if you are worried or you think you have it.You may be more at risk from high blood pressure if you:eat a high-fat dieteat a high-salt dietdon’t exerciseare overweightsmokedrink too much alcoholare...