Please choose the correct ending to complete the given sentence: Health: [header] How to live past age 100 [title] Maintain a healthy body weight, especially in your teenage years. [step] According to a study in the journal of pediatrics, being overweight at age 14 can increase your risk of diseases and disorders, such as type 2 diabetes. Adults with diabetes are two to four times more likely to develop heart disease.

Ending1: Try to maintain a healthy body weight throughout your life, starting in your teenage years, to increase your chances of living past 100. [substeps] You can determine if your body weight is healthy by looking at the estimated body weight for your height and gender. Ending2: [substeps] Too much activity can also slow down your heart rate. Your heart rate should continue indefinitely in your daughter's body in order to provide your child with the proper nutrients for her body. Ending3: If you want to get into the medical profession, you'll need to maintain a high body weight. It's important to get all that extra weight off of your body in order to grow tall. Ending4: In order to ensure that you're healthy enough to live past age 100, aim to lose a handful or some of your weight each month while still having a healthy body weight. Keep track of any ongoing weight loss steps you take, as well as specific guidelines that you should follow.

Answer format: ending1/ending2/ending3/ending4