Thanks for consulting. I have carefully worked through your case, and I can realize your health worries. Being your physician, I assure you not to worry as I will take care all of your medical concerns. pimples are common in this age group because of the hormonal imbalance. here are the things you need to avoid. avoid too much oily foods avoid pinching the pimples as it will leave a life long scars or some time get infected to complicate the issue. wash your face frequently you can try tee-tree oil or other acne preventive ointment or creams available commercially. i personally Hope it helps. If you need further, detailed and quick assistance related to any health issues in future, feel free to ask me a question directly from my profile. Have a wonderful time ahead. Best Regards! Dr. Arunmozhi varman