Why? have you been fighting too much with your better half? Most people get tensed and stressed out for that reason. But, diagnosing hypertension is easy and there are a few things that you can do to. There are different types of hypertension and you must be in a position to differentiate between them. it is advisable to know the types of blood pressure as well. If you have a any history of illness in the family, then this could be a cause of hypertension. Diabetes is one such illness that can cause this problem. Smoking also causes hypertension and you must be aware of this fact as well.