3 ms·

And now apply that terrifying feeling of seeing the black lung to living in modern cities. https://jamanetwork.com/journals/jama/article-abstract/2747669 https

• xavieralexandre 7y ago
  Quality of air in established modern cities has been vastly improving in the last decades [1] and is subjected to much scrutiny nowadays. I doubt many cities ever had a comparable effect to smoking 10 cigarettes a day. [1] https://sci-hub.se/10.1039/C5FD00212E https://sci-hub.se/10.1039/C5FD00212E