You might know that Halsey is an A-list celebrity whose hit "Closer" with The Chainsmokers is one of the longest-running singles to remain No.1 on Billboard's Hot 100. What you might not know, however, is she also suffers from endometriosis, a disorder in which tissue that normally lines the inside of your uterus grows outside of it.
Endometriosis can cause severe pain, especially during a woman's period, when the displaced tissue has no way of exiting the body. Other common symptoms include abnormally heavy menstrual flow and pain during sex, as well as higher risks for ovarian cancer and infertility.
Pain-relievers and hormonal contraceptives such as birth control are often used to ease the effects of endometriosis, but for long-term relief, patients generally have to undergo surgery to remove as much of the displaced tissue as possible or, in severe cases, a hysterectomy.
Over the weekend, Halsey shared a photo of herself in the hospital following "multiple terrifying surgeries... the most important of which being the surgery that would hopefully treat my endometriosis."
"For those of you who have followed this battle of mine or who may suffer with it yourself, you know the extremes to which it can be mentally exhausting and physically painful," she wrote, before admitting that she was in "total agony" and would be " in excruciating pain for a while" due to "the cocktail of procedures today."
And even though she will be going off the grid for a while to recover, she wanted to share a powerful message of strength and hope with her fans.
"I am thinking of all of you and how you give me the strength and stamina to power through and prosper," she wrote. "If you suffer from chronic pain or a debilitating disease please know that I have found time to live a crazy, wild, rewarding life AND balance my treatment and I hope so much in my heart that you can too."
Halsey is the latest in a growing number of celebrities (think: Dolly Parton, Susan Sarandon, Daisy Ridley, and Lena Dunham) speaking out about endometriosis, which affects about 1 in 10 women in the US and approximately 176 million women worldwide, according to the Endometriosis Foundation of America.