There are a handful of public health-related blogs that I frequent that I want to let you know about. I'll probably also add these to the side bar when I have a little extra time.
The Lancet Global Health Network: http://www.thelancetglobalhealthnetwork.com/index.php. A discussion forum for scientific and public health experts.
Global Health Report: http://globalhealthreport.blogspot.com/. Interesting stories and experiences from longtime health journalist Christine Gorman.
Global Health Delivery blog: http://globalhealthdelivery.org/blog/. A site for "health care implementers" with a lot of good information and interesting posts.
Global Health Policy: http://blogs.cgdev.org/globalhealth/. A great place to read and discuss the latest in a wide range of global health policy issues.
Subject to Change: http://vanessamason.wordpress.com/. A blog about social change through public health.
Faith and AIDS connection: http://faithandaids.wordpress.com/. An excellent and regularly-updated source for HIV/AIDS-related issues.
Joseph D'Souza: http://www.josephdsouza.com/. A justice-focused blog about India, caste, and discrimination.