17 year old male with blood pressure of 160/78 is that high and what could be the causes .?

See doctor: You blood pressure, as noted, is high. It is not feasible to ascertain the cause without examining you. It is imperative that you see a doctor at your earliest. Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex.