There are two main types of hypertension, and there are four types of hypertension that are less common. Depending on the type of hypertension, the cause could be known or unknown. It is suspected that hypertension results from a combination of factors related to genetics, diet, and lifestyle.
Primary hypertension is the most common type of hypertension and accounts for 95% of cases. It is a complex disorder with no isolated cause. Many factors can put you at risk for primary hypertension including obesity, diet, environment, stress, and sedentary lifestyle. High sodium and family history of hypertension can also put you at risk for this condition. Even though there is no single identifiable cause, a variety of factors can trigger the condition.