About.com - Stress http://stress.about.com/health/stress/
Stress, stress-induced conditions, and managing stress, including research on medical conditions related to stress and tips for its control and management. Also self-assessment tools, articles links to hundreds of choice sites.
Don't Sweat http://www.DontSweat.com/
Based on Dr. Richard Carlson's self-help book. Columns, compassion corner, advice regarding emotional wellness and happiness.