Q: I recently started going to a yoga class at our community center. We were doing deep breathing, and it felt like my lungs weren't filling up as much as they used to. Do your lungs get less elastic ...

A universal one is age. While lung development concludes at about age 8, our lungs increase in size and capacity as we continue to grow. Lungs reach maturity by about age 20 or 25. About a decade ...