Especially opioid addicts, which Elvis was. He had severe constipation and a massively enlarged colon.
“According to Dr. Nick, the autopsy revealed that Presley’s colon was 5 to 6 inches in diameter (whereas the normal width is 2 to 3 inches) and instead of being the standard 4 to 5 feet long, his colon was 8 to 9 feet in length”
Yike!