High blood pressure: The nation's favourite activity proven to lower BP - what is it?

HIGH BLOOD PRESSURE occurs when a person's blood pressure is consistently too high and means that the heart has to work much harder to pump blood around the body. This over exertion could lead to very worrying health risks such as strokes or heart attacks. The nations favourite activity however could help lower readings. What is it?
Source: Daily Express - Health - Category: Consumer Health News Source Type: news