Most common cause of hypertension is unknown. However there are many other factors that can lead to hypertension. Risk factors are:
- genetic - most common in certain populations than others
- family history
- alcohol consumption
- smoking
- obesity
- high cholesterol
- diabetes
- aging
For more information and guidelines please check out this:
How to control your high blood pressure and what is it?
http://usmlefacts.hubpages.com/_007wi/hub/How-to-Control-Your-High-Blood-Pressure