Please choose the correct ending to complete the given sentence: Youth: [header] How to lose 100 lbs or more as a teen [title] Talk to your doctor. [step] Anytime you're interested in losing large quantities of weight (more than 25 or 30 pounds) you should always consult your physician first. It's important to get a parent or guardian to help make your doctor's appointment and ask what's safe if there are additional resources and support.

Ending1: [substeps] Your doctor can provide you information regarding eating habits, bmr levels, taking medications, or weight loss preventative strategies. The doctor can also help you identify alternative methods of gaining weight if you think you have difficulty managing these aspects. Ending2: [substeps] Make an appointment with your doctor or pediatrician if you still see one. Talk to them about your desired amount of weight loss and ask how you can go about weight loss safely and appropriately. Ending3: [substeps] If it's a parent you know, talk to them openly and honestly. Let them know what's at stake when you lose your weight. Ending4: [substeps] Consult your doctor if you're a teenager or just trying to gain weight. Don't count on a doctor to provide you with medical advice without having talked with your teen.

Answer format: ending1/ending2/ending3/ending4