Familial inheritance is definitely an important factor for hypertension. However, it is still too EARLY for a young person to develop hypertension in early 20. Therefore, a thorough physical examination and medical investigation should be performed to rule out SECONDARY cause of hypertension (e.g. pheochromocytoma
, a adrenal tumor
producing excessive adrenalin to cause vasocontriction and hypertension) There are a long list of causes of secondary hypertension
, in which many conditions have genetic components. I'll suggest you to have medical consultation to have proper assessment to RULE OUT secondary cause. After treating secondary cause (e.g. surgical removal of pleochromocytoma), hypertension will be cured.
After excluding secondary causes, there are several ways to control hypertension. Simply, they can be either non-medical or medical. For non-medical methods, the key is lifestyle modification, e.g. regular exercise, dietary salt restriction, avoid smoking/coffee intake. For medical methods, many different classes of antihypertensive drugs are widely available.