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Do we lose alveoli as we age? How aging affects your lungs

According to one study, the total alveolar surface area decreases from 70 m² in adults aged 30–39 to approximately 60 m² in those aged 70–79. The answer to "Do we lose alveoli as we age?" is a definitive yes, but it's part of a broader set of changes that affects lung function over a lifetime. Understanding these natural processes can help you proactively support your respiratory health.