Please choose the correct ending to complete the given sentence: Health: [header] How to stave off hunger [title] Exercise. [step] High-intensity cardiovascular exercise can actually suppress your appetite. Studies show that this effect may last up to two hours after your workout.

Ending1: [substeps] On average, roughly 60 minutes of high intensity exercise can reduce your appetite. Exercise helps reduce ghrelin which is a hormone signaling your body that you're hungry ;. Ending2: In order to combat hunger, include 30 minutes of moderate aerobic exercise every day, which can help prevent you from feeling hungry. [substeps] You can walk or run for 60 minutes every day. Ending3: As healthy heart health can be maintained, exercising helps you work on increasing your rate of blood flow, about 38% each week. Think about the goal of your workout : 135 to 150 minutes of aerobic activity per week. Ending4: In addition, these substances can contribute to weight gain. Try bodyweight classes or lifting high repetitions.

Answer format: ending1/ending2/ending3/ending4