formerly_bob
It depends on the cause, the person's age, and how long the problem has existed. Young people that have high BP due to lack of exercise, poor diet, and obesity can completely cure the BP problems. As a person ages, the ability to reverse the problem diminishes. When high BP is a symptoms of some other problem such as diabetes, kidney disease, neurological disorder, or heart abnormality, the ability to cure it depends on how effectively the underlying cause can be treated. Since there is a variety of causes and treatments, the first step is seeing a doc to determine the cause.