Adam Duritz

Jennifer Aniston's become one of the most recognizable people in Hollywood ... and she's dated some familiar faces, too! The "Friends" star's been linked to several guys over the course of her career -- and she even married two of them! We're going to check out who the actress has been involved…

Counting Crows singer Adam Duritz -- who suffers from what he calls a "severe mental illness" -- claims he's trying like hell to ween himself off his medication ... despite "vicious withdrawal symptoms." Durtiz just went to his Facebook page and explained, "I was f**king crazy. I needed meds. I…