Parents used to worry about “peer pressure” encouraging their kids to experiment with alcohol or drugs, or to have sex. Now, they have to worry that it may encourage their kids (especially daughters) to change sex altogether. If you are a parent of a child or teenager, you owe it to yourself to read World magazine’s latest cover story, which addresses the relatively new but expanding phenomenon of “rapid-onset gender dysphoria,” abbreviated “ROGD.” Advocates for the LGBT movement have long argued that you can diagnose “gender dysphoria” in children who are “consistent, insistent, and persistent” in expressing a discomfort with...