A grand jury report said Phoenix Ikner stole his stepmom's former service weapon, a .45 caliber Glock 21, with a sheriff’s star and “Leon County Sheriff’s Office” on it, from his father's bedside.

In short, self-diagnosis is often way off the mark. And that matters because once someone goes from curiosity to self-diagnosis, the risks multiply. TikTok-style checklists and unverified quizzes ...