Lisa Marie Presley took '80 pills a day' at the height of her opioid addiction

Lisa Marie Presley documented the struggles of becoming addicted to opioids in her 40s in her posthumous memoir, "From Here To The Great Unknown."

"It escalated to eighty pills a day. It took more and more to get high, and I honestly don’t know when your body decides it can’t deal with it anymore. But it does decide this at some point," Presley, the only daughter of Elvis and Priscilla, wrote. "It escalated to eighty pills a day. It took more and more to get high, and I honestly don’t know when your body decides it can’t deal with it anymore. But it does decide this at some point." Janelle Ash is an entertainment writer for Fox News Digital. Story tips can be sent to janelle.ash@fox.com. 

She continued, "I believe that we’re all born innocent, and that everyone’s nature is innately good, but they get f---ed by their surroundings. And I believe that my brain is different, that I am an addict. Otherwise, I would have had all those years in between being a stupid teenager to suddenly getting a drug habit at forty."