From: Martin L. Hirschfeld

Health and life insurance companies have access to a powerful new tool
for evaluating whether to cover individual consumers: a health "credit
report" drawn from databases containing prescription drug records on
more than 200 million Americans.

http://www.washingtonpost.com/wp-dyn/content/article/2008/08/03/AR2008080302077_pf.html

(For drugs, I have Medicare Plan D from Humana.  After I fill a 
non-generic, I get a mailing from Humana suggesting a 'similar' less 
expensive generic for me to try.  I wish I had back the costs of those 
mailings.  Sylvia)

www.peoplewho.org