Daily Archives: September 1, 2014

Smokers Lungs vs Healthy Lungs (YouTube) Six-second clip. https://www.youtube.com/watch?v=TVJSmfYtXyw Here is a list of books, including some free books, by David Bruce: https://davidbruceblog.wordpress.com/david-bruce-books/ Check out the rest of https://davidbruceblog.wordpress.com/