By Graeme Murray & Lucy Varley Doctors have urged Brits to get their blood pressure checked – as it could save their lives. Almost half of all heart attacks and strokes are caused by high blood pressure but it often goes undetected as there are no noticeable symptoms. It also puts you at risk of cardiovascular disease, kidney disease and vascular dementia. But it is a preventable and treatable conditions you can do something about. And reducing blood pressure in turn can reduce your risk of stroke by 25%. Having your blood pressure checked is painless and takes a few moments and friends and fa…