Attention-Deficit Hyperactivity Disorder
Funny & Informative Videos at Totally ADD.com
ADD Resources
ADDA - Attention Deficit Disorder Association (for Adults)
CHADD--Children/Adults with ADHD
ADHD & Relationships--Gina Pera
Centre for ADD/ADHD Advocacy, Canada (Check out the videos)
National Association of Professional Organizers
Job Accommodation Network

Depression & Bipolar
One of the Best Depression & Bipolar Sites--PsychEducation.com
Depression Screening

Anxiety Disorders
Answers to Your Questions About Panic Disorder 
National Center for PTSD
Obsessive Compulsive Information Center

Women & Mental Health
Harvard/MGH Center for Women's Mental Health

Addictions and Recovery
The Fix--Addictions & Recovery, Straight Up
Alcoholics Anonymous
Seattle/Washington State Alcohol & Drug Help Line
Smart Recovery Alternative to AA
Center for On-Line Addiction
Habit Smart

Quit Smoking 
Smoking Cessation Center
Search for Nicotine Anonymous Meetings

Note: Not responsible for the content, claims or representations of the listed sites.