The mortality statistics in the US for 1999 have been released by the Centers for Disease Control (CDC) on June 26, 2001. The results of this report beg these questions (and others): 1)Why is one of the 5 leading causes of death no “Chronic lower respiratory disease”? 2)Why was the former leading death category “Chronic obstructive pulmonary diseases and allied conditions” changed for the 1999 data to now read “Chronic lower respiratory disease”? Included here are pictures of HEPA filters from a house air filter showing particulates and matter on the filters.
