Breathing exercises can also strengthen the lungs. Try the following:

  • Inhale through the nose. Then breathe out through pursed lips — try to exhale for twice as long as inhaling.
  • Practice belly breathing, which uses the diaphragm to pull air deep into the lungs. Take a breath and let the belly expand, then exhale so the belly contracts.
  • Practice the two exercises above while breathing normally for 5–10 minutes each per day. When more comfortable with the techniques, a person can practice them while they are short of breath.