The World Health Organization says the number of cases of tuberculosis has been falling since two thousand six. Also, fewer people are dying from TB. But a study by researchers at the University of California, San Francisco, says smoking could threaten this progress.
http://youtu.be/uaxffPwYlhQ
http://www.youtube.com/watch?v=uaxffPwYlhQ&feature=list_related&playnext=1&list=SPDED49243CC4118C3
If you want to control the infectious disease of tuberculosis, you have to control the tobacco industry and the tobacco industry's efforts to increase tobacco use, particularly in developing countries where tuberculosis is a big problem.
