Question: What was the cause of the death of this American professional wrestling manager who was married to Randy Savage?

Context articles: ICW Heavyweight Championship
Bobby Heenan
R. D. Reynolds
Stephanie Bellars
The Mega Powers
Lloyd Anoaʻi
Starrcade (1995)
Souled Out (1998)
Miss Elizabeth
The Mega Bucks

The ICW World Heavyweight Championship was a professional wrestling world heavyweight championship of International Championship Wrestling.
 Many title defenses featured matches between Randy Savage and his real-life brother Lanny Poffo.
 After the original ICW shut down in 1984, Paul Christy started his own ICW promotion.
 The title history in 1979 is not clear.
 It is possible that Randy Savage won the title in July rather than on March 13.
 In addition, one source does not recognize the title changes between Savage and Poffo between this reign and 1982, as it claims that Savage won the title in 1979 and held it for over four years before dropping it to Christy.
 Because the championship is a professional wrestling championship, it is not won or lost competitively but instead by the decision of the bookers of a wrestling promotion.
 The championship is awarded after the chosen team "wins" a match to maintain the illusion that professional wrestling is a competitive sport.
Raymond Louis Heenan (November 1, 1944 – September 17, 2017), better known as Bobby "The Brain" Heenan, was an American professional wrestling manager, wrestler, and color commentator, best known for his time with the American Wrestling Association (AWA), the World Wrestling Federation (WWF, now WWE) and World Championship Wrestling (WCW).
 He was known for his skill in drawing heel heat for himself and his wrestlers, and for his on-screen repartee with Gorilla Monsoon as a color commentator.
 He was inducted into the WWE Hall of Fame in 2004, by Blackjack Lanza.
 Wrestling journalists Dave Meltzer and Wade Keller noted that Heenan is generally considered to be the greatest pro wrestling manager of all time.
Randy Baer (born January 12, 1969), better known by his ring and pen name RD (Real Deal) Reynolds, is a former American professional wrestling manager and is also the co-creator of the professional wrestling website WrestleCrap, with Merle Vincent (who died in September 2000).
 He has also authored three books, "WrestleCrap", "The Death of WCW", co-authored with Bryan Alvarez, and "The WrestleCrap Book of Lists!"
, co-authored with Blade Braxton.
 He has been called "the foremost authority on the worst of professional wrestling" by the Canadian Online Explorer.
Stephanie Bellars (born January 25, 1976), known by her ring name Gorgeous George, is an American professional wrestling valet.
 She began her career in wrestling in 1999 as manager to her then-boyfriend "Macho Man" Randy Savage.
 She has worked for World Championship Wrestling (WCW), Total Nonstop Action Wrestling (TNA), and Extreme Championship Wrestling (ECW) under the names Gorgeous George, George Frankenstein, and simply George.
The Mega Powers were a tag team in the World Wrestling Federation (WWF) and World Championship Wrestling (WCW).
 The Mega Powers consisted of Hulk Hogan, and "Macho Man" Randy Savage with Miss Elizabeth (at the time Savage's real life wife, though portrayed on-screen as his manager, with any further relationship not explained) serving as their valet respectively.
 As of 2017, Hulk Hogan is the only surviving member, as Miss Elizabeth died in 2003 and Randy Savage died in 2011.
Lloyd Anoaʻi (born May 17, 1970) is an American professional wrestler and professional wrestling manager.
 He is best known for his appearances with the World Wrestling Federation (WWF) under the ring names Tahitian Savage, Fred Williams, and Lloyd Lanui and for his appearances with Extreme Championship Wrestling (ECW) under the ring name L.A. Smooth.
 He is one of the three sons of professional wrestling patriarch Afa Anoaʻi and a member of the Anoaʻi family.
Starrcade (1995): World Cup of Wrestling was a professional wrestling pay-per-view (PPV) event that took place on December 27, 1995.
 The show was promoted by World Championship Wrestling (WCW) at the Nashville Municipal Auditorium in Nashville, Tennessee.
 The event included a seven match tournament between wrestlers representing WCW and their Japanese partner New Japan Pro Wrestling (NJPW) billed as the "World Cup of Wrestling", in which Sting (WCW) defeated Kensuke Sasaki (NJPW) in the finals; WCW won the tournament four points to three.
 At the event Ric Flair also defeated Randy Savage in the main event for the WCW World Heavyweight Championship,
Souled Out (1998) was the second Souled Out professional wrestling pay-per-view (PPV) event produced by World Championship Wrestling (WCW) and sponsored by Snickers.
 Unlike the previous year's event, this year's event was billed as a joint production by WCW and the nWo (in storyline) and the pay-per-view events until the following year's Uncensored were jointly produced by WCW and the nWo.
 The event took place on January 24, 1998 from the Hara Arena in and featured a double main event.
 The first main event featured Bret Hart making his WCW in-ring debut against Ric Flair.
 Hart made Flair submit to the Sharpshooter.
 The second main event featured WCW's Lex Luger against nWo's Randy Savage.
 Luger made Savage submit to the "Torture Rack".
Elizabeth Ann Hulette (November 19, 1960 – May 1, 2003), best known in professional wrestling circles as Miss Elizabeth or simply Elizabeth, was an American professional wrestling manager and occasional professional wrestler.
 She gained international fame from 1985 to 1992 in the World Wrestling Federation (WWF, now WWE) and from 1996 to 2000 in World Championship Wrestling (WCW), in her role as the manager to wrestler "Macho Man" Randy Savage, as well as other wrestlers of that period.
 She died as a result of a drug and alcohol overdose on May 1, 2003 in the home she shared with wrestler Lex Luger.
The Mega Bucks were a professional wrestling tag team that competed in the World Wrestling Federation (WWF) in 1988.
 The team, consisting of "The Million Dollar Man" Ted DiBiase and André the Giant, was formed in a storyline that saw DiBiase purchase André's contract from fellow manager Bobby Heenan.
 André was to win the WWF World Heavyweight Championship from Hulk Hogan, but then he attempted to sell the belt to DiBiase.
 The title was vacated, but DiBiase and André were then scheduled to face Hogan and Macho Man Randy Savage in a match at SummerSlam, which Hogan and Savage won.
 After the match, DiBiase and André went their separate ways and the team was dissolved.