To the extent that it is important to you, you can work with your doctor to modify the risk factors that you can and would like to modify. Interestingly, 90% of Americans over 55 will develop high blood pressure; it is the norm [1]. (Not saying you are an American, as I don't know; just saying that I also don't know if this applies to the rest of the world.)

1 = http://www.nhlbi.nih.gov/guidelines/hypertension/speaker2.ht...