5 Breathing Techniques For Heart And lungs Health Must Do Daily 1-2 Minutes Each Breathing Exercise Start with 5–10 rounds, once or twice a day, on an empty stomach. Stop if you feel dizzy or uncomfortable, and gradually increase with experience. 1. Benefits for the Lungs 👇 Increases Lung Capacity: The forceful inhalation and exhalation expand the lungs fully, improving oxygen intake. Strengthens Respiratory Muscles: The diaphragm, intercostal muscles, and abdominal muscles get a workout, makin