Barcelona Institute for Global Health (ISGlobal) May 15 2025 A study led by the Barcelona Institute for Global Health (ISGlobal), a centre supported by "la Caixa" Foundation, in collaboration with the Clínic-IDIBAPS, has shown for the first time, how lung capacity evolves from childhood to old age. The findings, published in  The Lancet Respiratory Medicine , provide a new basic framework for assessing lung health. Until now, it was thought that lung function increased until it peaked at around