European doubts over research data, on medical interventions, and the efforts to exercise caution on transgender. Having allowed medical interventions and treatments for years, the medical community in 5 countries, UK, Finland, Sweden, Norway, France, now urge caution in their use for minors, stressing lack of evidence benefits outweigh risks, says this report in the WSJ. The UK's National Health Service limited the use of puberty blockers to clinical trials,.