In the Mayo Clinic study of 68 women, 21 received estrogen through a skin patch, 17 received estrogen orally, and 30 received a placebo.
Notes on verification
Confirmed by Mayo Clinic press release and independent peer-reviewed PubMed abstract with matching group sizes (21 transdermal, 30 placebo, 17 oral = 68 total). Cross-verified by an independent science news outlet as well. [tier=silver indep_score=0.925 clusters=2 claim_tier=notable]
Sources
- Estrogen Patch in Newly Postmenopausal Women May Reduce ... (seed:health_and_medicine)
- https://neurosciencenews.com/estrogen-alzheimers-menopause-4669/ (corroboration)
- https://pubmed.ncbi.nlm.nih.gov/27163830/ (corroboration)