Celebrities--living in the fast lane, their every move charted by hordes of paparazzi--have always been vulnerable to substance abuse. But today, it seems celebrity drug and alcohol addiction has reached epidemic proportions.Are the rich and famous of Hollywood more likely to fall prey to the demon of addiction than average Americans? What triggers in their personal lives tend to cause the downward spiral? And is trendy, Hollywood-style rehab (complete with lush accommodations and the latest treatment options) actually effective? Finally, in a media industry that often feeds off of the personal weaknesses of stars, how do some celebs ultimately break this vicious cycle and find peace?Renowned addiction specialist and host of VH1's Celebrity Rehab, Dr. Drew Pinsky, M.D. examines the root causes of celebrity addiction, the reasons behind the rise and why Hollywood is one of the toughest places to get clean in "VH1 News Presents: Dr. Drew's Celebrity Addiction Special" premiering Thursday, June 5 at 9pm. Serving as on-camera host and narrator, Dr. Drew analyzes the reasons behind the celebrity addiction epidemic. He investigates some of Hollywood's most disturbing drug stories, reveals some common celebrity personality traits that can trigger addiction behaviors, and he offers commentary on some of the most troubled celebs.Among the stars discussed in this special include Amy Winehouse, Steve -- O, Lindsay Lohan and the late Heath Ledger as well as new, revealing interviews with musician and recovering addict Nile Rogers, and season one Celebrity Rehab participants Seth "Shifty" Binzer and Mary Carey, who continue to battle their alcohol and drug dependencies. Finally, the program will highlight famous Hollywood sobriety success stories, such as those of Jack Osbourne, Craig Ferguson and Tom Arnold.Dr. Drew examines the root causes of celebrity addiction, the reasons behind the rise and why Hollywood is one of the toughest places to get clean.