Don and Roger's training is definitely of the old school variety - high volume, heavy weights, pushed balls to the wall.. They like to regularly vary their workouts to constantly cause the body to adapt and to stay sore.. This way they always feel like they are stimulating maximal growth.
http://www.rxmuscle.com/articles/latest-news/177-mastering-his-future-the-don-youngblood-story.html
Paul DeMayo died at 37, on June 3 of this year from a heroin over dose. Paul was one of the greats but suffered from depression for many years while becoming an IFBB Pro back in 1995. He served 18 months in a state prison for discharging a fire arm in city limits with no gun permit while having a domestic dispute.
https://www.bodybuilding.com/fun/undercover38.htm
Masters Olympia Champ R.I.P. Don Youngblood was a champion bodybuilder, but more importantly a devoted husband, father and grandfather... he will be missed. After 14 years of building his business, at age 34 Don Youngblood decided to allow himself some time to pursue a personnel hobby. He chose bodybuilding and took to it like a duck to water. At an age when most Pro's are winding up their careers, Don was just beginning.
https://www.bodybuilding.com/fun/youngbloodrip.htm
Don Youngblood. If not a name you have heard before, it's sure to be one you will be hearing in the future. Don easily dominated the pre-judging. Strangely enough, in a sport in which the officials are to judging what Barney Fife is to law enforcement, even the judging agreed.
http://www.rxmuscle.com/articles/latest-news/177-mastering-his-future-the-don-youngblood-story.html
Bodybuilding’s Mounting Death Toll – Part 1. Steroids, Cardiovascular Health, and Reversing the Trend, a Disturbing Trend . As BB’rs, many of us possess a natural propensity for extravagance.
http://www.ironmagazine.com/2014/bodybuildings-mounting-death-toll-part-1/
I think the major problem with high intake of steroids is that they also cause changes in heart muscle, which somewhat increases chance of heart problems. Oral steroids also increase risk to liver, kidneys etc. Of course, when it comes to professional bodybuilders, it's not just the steroids.
http://www.longecity.org/forum/topic/50256-what-is-the-life-expectancy-of-pro-bodybuilders/page-2
According to the medical community, Stage 1 hypertension is officially defined as any reading over 140/90. Stage 2 hypertension begins at 160/90 and is much more serious than Stage 1. Entry into Stage 1 is very common among AAS users and generally speaking, it is not cause for alarm under normal circumstances.
http://www.ironmagazine.com/2014/bodybuildings-mounting-death-toll-part-1/
Two IFBB Pro Bodybuilders have died in the past month; on May 8th of this year Don Youngblood at 51, died of a massive heart attack.
https://www.bodybuilding.com/fun/undercover38.htm
To maintain huge muscles one would have to take loads of protein, loads of supplements and even use steroids which is why I say it's harmful, kidneys and liver have to process huge amounts of protein and steroids will eventually cause cardiac hypertrophy and lowered heart ejection fraction.
http://www.longecity.org/forum/topic/50256-what-is-the-life-expectancy-of-pro-bodybuilders/page-2
Hematocrit, also known as PCV (packed-cell volume), is the concentration of red blood cells in the blood. The higher hematocrit is, the greater the percentage of red blood cells in the blood, while lower hematocrit levels signify a lower percentage of red blood cells.
http://www.ironmagazine.com/2014/bodybuildings-mounting-death-toll-part-1/
don youngblood cause of death
A massive heart attack is the cause of death of Don Youngblood.   The death cause of  Don Youngblood is a massive heart attack.