What should i do i eat to much i need help?

im 15 and everything i think about is food. i eat all the time even if im not hungry. i had never notice tht. everytime im mad or pissed off. food is the only thing tht make me feel better. sometime i eat i dont know y i eat for. im getting a lot of weight bt i rEaly cant stop eating i caNT. I TRY BT I EAT WITHOUT KNOWING,.. now im 245 lbs. im getting concern i already have cholesterol high blood pressure nd heart condition. i dont know what to do. MY PARENT DO NOT NOTICE THT. NDIM PRETTY SURE THEY WILL LAUGH AT ME IF I TELL THEM I CNT STOP EATING. THEY WILL NT CARE ANYWaY. I NEED HELP. CAN ANYBODY HELP[