The singer, who died at the age of 42, is known to have had an irregular heartbeat, high blood pressure and bad eyesight
Is Elvis Alive? DNA, Lawyers & Graphology Say Yes, MJJCommunity
Could genetic defect be cause of heart attacks in Elvis's family? Legend's grandparents were cousins
ELVIS PRESLEY — WHAT REALLY KILLED THE KING - Dying Words
Television show claims to discover true cause of Elvis Presley's death
ELVIS DIDN'T HAVE TO DIE!
Elvis Presley, Ultimate Pop Culture Wiki
Elvis Presley Suicide: Secrets Of His Drugged-Out Death Wish
Television show claims to discover true cause of Elvis Presley's death
Elvis Presley death conspiracies: long live the King
Was Elvis Presley destined to die early? DNA tests show King was prone to obesity and disease, The Independent
Why Elvis Presley's Death Continues to Stir Conspiracy Theories
Dead Famous DNA: Channel 4 programme claims heart muscle disease could have killed Elvis Presley
Elvis Presley had genetic heart condition, DNA analysis shows
Could Elvis Presley have avoided his decline and early death, and if so, what would he have had to change in himself? - Quora