What are three social cost of abusing drugs?

Government spending related to smoking, alcohol abuse, and illegal drugs reached $468 billion dollars in 2005: http://www.nytimes.com/2009/05/28/us/28addiction.html

The cost to employers is about $100 billion every year: http://www.hrhero.com/audio/substance_abuse/


So, if you add these up it comes to an estimated $568 billion dollars annually.