Study shows smoking hardens lung tissue nearly three times more than in non-smokers

Smoking-related lung diseases cause millions of deaths annually; this research helps explain mechanisms behind chronic respiratory disease progression in smokers.

Breath is among the most elemental of human acts, yet it depends entirely on the quiet elasticity of tissue most of us never think about. Researchers at the University of California have now placed a number on what smoking takes away: lung tissue in smokers is nearly three times stiffer than in those who have never smoked, a rigidity that echoes the progressive hardening seen in pulmonary fibrosis. Working with real human lung samples rather than animal proxies or simulations, the team has given science its clearest mechanical portrait yet of how tobacco reshapes the organ responsible for ever

Study shows smoking hardens lung tissue nearly three times more than in non-smokers

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