David Cassidy reveals he never had dementia in shocking posthumous documentary footage

In never-before-seen footage David Cassidy reveals that he never suffered from dementia as previously believed.

The former teen idol, who passed away in November 2017, is the subject of a new A&E 'Biography' documentary special, David Cassidy: The Last Session, premiering June 11. The documentary is a mix of never-before-heard audio tapes from 1976 and footage from Cassidy's final session where he was recording a tribute to his father, Jack Cassidy. 

"I just met with the doctor and I have liver disease," Cassidy tells the documentary crew on the phone in a sneak peek of the two-hour special. "My life has changed dramatically. The first few days I was unconscious and near death. The last week or so my memory has come back."

"That's such a blessing. That means I'm cognizant of my surroundings. That I'm alive and it's daytime, and I know what day of the week it is,"  Cassidy continues before revealing that he never had dementia, but rather was continuing to drink excessively.

27 PHOTOS
David Cassidy through the years
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David Cassidy through the years
UNITED STATES - JULY 28: THE PARTRIDGE FAMILY - 'Gallery' 1971 David Cassidy (Photo by ABC Photo Archives/ABC via Getty Images)
TODAY -- Pictured: (l-r) NBC News' Savannah Guthrie, Natalie Morales and musician/actor David Cassidy appear on NBC News' 'Today' show on March 21, 2013 -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
HOLLYWOOD, CA - DECEMBER 14: Singer David Cassidy performs at Hollywood Today Live at W Hollywood on December 14, 2016 in Hollywood, California. (Photo by David Livingston/Getty Images)
UNITED STATES - JULY 28: THE PARTRIDGE FAMILY - 'Gallery' 1971 David Cassidy (Photo by ABC Photo Archives/ABC via Getty Images)
NEW YORK, NY - JANUARY 10: Musician David Cassidy performs at BB King on January 10, 2015 in New York City. (Photo by Debra L Rothenberg/Getty Images)
UNITED STATES - JULY 28: THE PARTRIDGE FAMILY - 'Gallery' 1971 David Cassidy (Photo by ABC Photo Archives/ABC via Getty Images)
TODAY -- Pictured: (l-r) David Cassidy and Danny Bonaduce appear on NBC News' 'Today' show (Photo by Peter Kramer/NBC/NBCU Photo Bank via Getty Images)
HOLLYWOOD, FL - DECEMBER 12: David Cassidy attends Seminole Hard Rock Winterfest Boat Parade 2014 Grand Marshal Reception Honors Flo Rida at Seminole Hard Rock Hotel & Casino ? Hard Rock Cafe Hollywood on December 12, 2014 in Hollywood, Florida. (Photo by Larry Marano/Getty Images)
David Cassidy, singer, actor and musician, in concert at Wembley Arena, London. David Bruce Cassidy is widely known for his role as Keith Partridge in the 1970s musical sitcom The Partridge Family, which led to his becoming one of pop culture's most celebrated teen idols and pop singers of the 1970s. He later had a career in both acting and music. Picture taken 17th March 1973. (Photo by Lloyd/Mirrorpix/Getty Images)
HOLLYWOOD, FL - DECEMBER 12: Sue Shifrin and David Cassidy attend Seminole Hard Rock Winterfest Boat Parade 2014 Grand Marshal Reception Honors Flo Rida at Seminole Hard Rock Hotel & Casino ? Hard Rock Cafe Hollywood on December 12, 2014 in Hollywood, Florida. (Photo by Larry Marano/Getty Images)
UNITED STATES - JULY 28: THE PARTRIDGE FAMILY - 'The Last Howard' 10/27/73 David Cassidy (Photo by ABC Photo Archives/ABC via Getty Images)
TODAY -- Pictured: Musician/actor David Cassidy appears on NBC News' 'Today' show on March 21, 2013 -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
UNITED STATES - JULY 22: THE PARTRIDGE FAMILY - 'The Forty-Year Itch' 11/1971 David Cassidy (Photo by ABC Photo Archives/ABC via Getty Images)
SCHODACK, NY - AUGUST 21: In this handout photo provided by the Schodack Police Department, David Cassidy is seen in a police booking photo after his arrest on charges of felony DWI, driving while intoxicated, August 21, 2013 in Schodack, New York. Cassidy was released on USD 2,500 bail and is scheduled to appear in court September 4. (Photo by Schodack Police Department via WireImage)
COCONUT CREEK, FL - AUGUST 13: Singer David Cassidy performs during the first hand of Real Blackjack 24/7 Seminole Casino Coconut Creek on August 13, 2010 in Coconut Creek, Florida. (Photo by Larry Marano/Getty Images)
TODAY -- Pictured: Musician/actor David Cassidy appears on NBC News' 'Today' show on March 21, 2013 -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
TODAY -- Pictured: (l-r) NBC News' Matt Lauer, David Cassidy, tv host George Oliphant and NBC News' Natalie Morales appear on NBC News' 'Today' show on March 21, 2013 -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
BIRMINGHAM, UNITED KINGDOM - NOVEMBER 09: David Cassidy performs on stage during the UK Once In A Lifetime Tour at LG Arena on November 9, 2012 in Birmingham, United Kingdom. (Photo by Steve Thorne/Redferns via Getty Images)
UNITED STATES - JULY 28: THE PARTRIDGE FAMILY - 'Gallery' 1970 Susan Dey, Jeremy Gelbwaks, David Cassidy, Shirley Jones, Danny Bonaduce, Suzanne Crough (Photo by ABC Photo Archives/ABC via Getty Images)
NEW YORK, NY - JULY 19: Singer David Cassidy performs at BB King on July 19, 2012 in New York City. (Photo by Bobby Bank/Getty Images)
NEW YORK - NOVEMBER 21: David Cassidy performs at the Queensborough Performing Arts Center in Queens on November 21, 2009 in New York City. (Photo by Bobby Bank/WireImage)
NEW YORK, NY - MAY 22: David Cassidy attends 'The Celebrity Apprentice' Season 4 Finale at Trump SoHo on May 22, 2011 in New York City. (Photo by Jim Spellman/WireImage)
LONDON, UNITED KINGDOM - APRIL 12: David Cassidy performs on stage at Hammersmith Apollo on April 12, 2011 in London, United Kingdom. (Photo by Mark Westwood/Redferns)
UNITED STATES - JULY 28: THE PARTRIDGE FAMILY - 'Gallery' 1971 Shirley Jones, David Cassidy (Photo by ABC Photo Archives/ABC via Getty Images)
TODAY -- Pictured: David Cassidy appears on NBC News' 'Today' show (Photo by Peter Kramer/NBC/NBCU Photo Bank via Getty Images)
David Cassidy enter caption here at The Langham Resort on August 8, 2009 in Pasadena, California. (Photo by Steve Granitz/WireImage)
NEW YORK, NY - JULY 19: Singer David Cassidy performs at BB King on July 19, 2012 in New York City. (Photo by Bobby Bank/Getty Images)
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"There is no sign of me having dementia at this stage of my life. It was complete alcohol poisoning. And the fact is, I lied about my drinking," Cassidy, who was 67 when he died, reveals. "The head doctor at the hospital, she said, 'I believe that your dementia was directly related to your alcoholism.' You know I did it to myself, man. I did it to myself to cover up the sadness. And the emptiness."

The documentary will showcase Cassidy's deteriorating condition during production, give a look into Cassidy's life and legacy, and feature interviews with rocker and lifelong friend Alice Cooper, Partridge Family stars Danny Bonaduce and Brian Forster, and childhood friend Sam Hyman among others. 

"David Cassidy was one of the most beloved teen icons of his time, experiencing an unfathomable amount of fame at such a young age that few will ever truly understand and we are honored to let David tell his own story through his own words," Elaine Frontain Bryant, Executive Vice President and Head of Programming, A&E Network said in a press release. "Our newly relaunched ‘Biography’ franchise is dedicated to bringing viewers the complete, inside narrative and that shines through during this very personal and humanizing documentary celebrating David’s life, his amazing contributions to music and the brilliant legacy he left behind."

In February 2017 Cassidy told People that, after watching both his grandfather and mother suffer from dementia, he feared he would as well.

"I was in denial, but a part of me always knew this was coming," he said.

Cassidy also opened up to People about his relationship with his children, Katie, 31, and Beau, 27.

"I've never had a relationship with her. I wasn't her father. I was her biological father, but I didn't raise her. She has a completely different life," Cassidy said of his only daughter, who has starred in Gossip Girl and Arrow. "I’m proud of her. She's very talented. It's hard for me to even accept how old she is now, like 30."

Meanwhile, Cassidy called his Beau "just one of the best people you'll ever meet in your life."

In the months before his death Cassidy shared that he wanted "to focus on what I am, who I am and how I've been without any distractions. I want to love. I want to enjoy life."

5 PHOTOS
David Cassidy and Katie Cassidy together
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David Cassidy and Katie Cassidy together
LOS ANGELES, CA - NOVEMBER 28: Katie Cassidy and David Cassidy arrive at the 9th annual Family Television Awards held at the Beverly Hilton Hotel on November 28, 2007 in Los Angeles, California. (Photo by Jean Baptiste Lacroix/WireImage)
LOS ANGELES, CA - NOVEMBER 28: Katie Cassidy and David Cassidy arrive at the 9th annual Family Television Awards held at the Beverly Hilton Hotel on November 28, 2007 in Los Angeles, California. (Photo by Jean Baptiste Lacroix/WireImage)
LOS ANGELES, CA - NOVEMBER 28: Katie Cassidy and David Cassidy arrive at the 9th annual Family Television Awards held at the Beverly Hilton Hotel on November 28, 2007 in Los Angeles, California. (Photo by Jean Baptiste Lacroix/WireImage)
LOS ANGELES, CA - NOVEMBER 28: Katie Cassidy and David Cassidy arrive at the 9th annual Family Television Awards held at the Beverly Hilton Hotel on November 28, 2007 in Los Angeles, California. (Photo by Jean Baptiste Lacroix/WireImage)
LOS ANGELES, CA - NOVEMBER 28: Singer/actor David Cassidy (R) and his daughter Katie Cassidy arrive at the 9th annual Family Television Awards held at the Beverly Hilton Hotel on November 28, 2007 in Los Angeles, California. (Photo by Michael Buckner/Getty Images for Family TV Awards)
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