Fact check: 70 years of studies show no long-term consequences from a medical perspective. ~30 years of studies at this point show that trans teens put on blockers have better mental health outcomes, including lower rates of suicide attempts, than those who aren't on blockers. - about puberty blockers

1. Summary of the results

1. Summary of the results:

The available analyses show that the scientific evidence regarding puberty blockers is far more nuanced and limited than the original statement suggests. Recent re-evaluation of existing research by Dr. Cass found the evidence base to be of "poor quality." A key study showed mixed mental health outcomes: 34% of children's mental health deteriorated, 29% improved, and 37% showed no change.

2. Missing context/alternative viewpoints:

• Multiple European countries (Sweden, Finland, France, Norway, Denmark) have recently re-evaluated and restricted medical interventions for under-18s
• NHS England has stopped routine prescribing of puberty blockers due to insufficient evidence
• Existing studies have significant limitations including small sample sizes and lack of control groups
• While some studies show mental health benefits, concerns about bone density and other long-term effects remain under investigation
• Treatment decisions require a multidisciplinary approach and individualized assessment

3. Potential misinformation/bias in the original statement:

The statement makes two unsupported claims that require correction:

• The claim of "70 years of studies showing no long-term consequences" is not supported by any of the analyses and appears to be an exaggeration
• The assertion about "30 years of studies" showing better mental health outcomes oversimplifies complex research findings that actually show mixed results
• The statement benefits advocacy groups and medical providers who support early intervention, while overlooking legitimate medical concerns raised by health authorities in multiple countries
• The confident tone about long-term safety contradicts ongoing scientific uncertainty expressed by major health institutions like the NHS