Answer by  
                                                                                          mlr28blu (69)
                                                            
                          
                          
                                                          Just exercise a lot. Exercise and monitoring what you eat are great ways for teenagers to lose weight. You can run or jog daily, lift weights, and do other cardio exercises. To eat healthy, you need to eat whole grain breads, healthy, non-fat protein, and get as many fruits and vegetables as you can.