Please choose the correct ending to complete the given sentence: Health: [header] How to increase good cholesterol [title] Exercise more. [step] Lifestyle modification is recommended for any abnormality in cholesterol or triglyceride levels. To help increase your good cholesterol levels, you need to work out regularly.

Ending1: The american heart association recommends that adults should do at least 30 minutes of moderate-intensity cardiovascular activity for at least five days per week. This can include running, hiking, swimming, or bike riding. Ending2: [substeps] Exercising can help you get stronger, keep your heart rate stable, and can increase arteries. There are several kinds of aerobic exercises: walking, jogging, cycling, and swimming are good examples of exercises that can help you lose weight. Ending3: Try to exercise for at least 30 minutes three times a week and aim for 30 minutes two days a week. [substeps] While moderate exercise may not help you lose weight, exercise exercises to make you feel good include: walking, swimming, etc. Ending4: [title] Eat more tapioca starch each day. [step] This will help increase your cholesterol levels, boosting them up and thus increasing your good cholesterol.

Answer format: ending1/ending2/ending3/ending4