“Women are in pain,” writes Gabrielle Jackson in Pain and Prejudice. “They’re in pain with their periods, and while having sex; they have pelvic pain, migraines, headaches, joint aches, painful bladders, irritable bowels, sore lower backs… But women’s pain is all too often dismissed, their illnesses misdiagnosed or ignored.” First published in 2019, Jackson’s book — subtitled a “call to arms for women and their bodies” — captured her frustration at how little progress had been made on the treatment of endometriosis after her own diagnosis 14 years earlier. “I was so angry when I wrote the book,” Jackson says. Gabrielle Jackson’s book drew attention to how little progress has…