German Health Minister Jens Spahn sent a clear, important signal on Monday when he declared that “homosexuality is not a disease and therefore does not need therapy to be treated.” He fleshed out his plans to ban so-called gay conversion therapy in Germany. The practice purports to transform homosexuals into heterosexuals. According to Spahn, anyone still found offering such “conversion therapies” will face up to one year in jail or a steep fine. Spahn’s step is both important and, unfortunately, still rather timely. That’s because many Germans are probably not even aware that each year, thousands of teenagers and adults...