Hey welcome!!! I did find this part called "medhelp suggestions" it should be in the drop down list on the top right hand side called My Shortcuts. I'm pretty sure you can ask any question or concern and they'll take care of it. But like he said, it should be listed by whoever posts most recently. I hope you like this website :)
From what I know each thread (discussion) that comes up first is the one with the most recent post regardless of when it was started. And since you just joined welcome and here's a good website (for all mood disorders) that might be of help. Google "Depression Central".