Educational article on how patients can evaluate authenticity and quality in Muse cell therapy. Cover: what SSEA-3 markers mean, why stress-endurance enrichment matters per Dezawa's research, questions to ask any clinic about their cell sourcing and certificates of analysis, and the difference between evidence-based screening and marketing claims. Position Dr. Charles Pereyra, MD and Springs Rejuvenation as transparent, physician-led, research-informed. Cite Dezawa PNAS 2010 discovery, Yamada 2018 S1P-S1PR2 homing. Do NOT attack competitors by name. 3-4 FAQ H3s ending in '?'. Hedged language, FDA disclaimer. ~700 words.
