Bipolar Disorder Support Group
Bipolar disorder is not just a single disorder, but a category of mood disorders marked by periods of abnormally high energy and euphoria, often accompanied by bouts of clinical depression. This is the place to talk about your experience with bipolar disorder, learn from others' experiences, and find support.

So the number of active members is more around is probably less than 50, maybe lower.
Back in the day there would be two or three pages of new posts by members every day.
But then the site went into sharp decline.
Two reasons for this, people moved to Facebook, Reddit etc for their groups and Daily Strength against advice of the members made a number of changes in the attempt to make it more like social media. It was a bad design and implemented very badly (it locked out a large number of people who gave up ever trying to get back).