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The other 2 reported ~80% improvement

Mendelian randomization: Using genes as instruments for making causal inferences in epidemiology

Starting at the lower end of dosing ranges (20-30 mcg) and assessing response before increasing is advisable

Wang 2009)

Annular cells change from fibrocytic spindle-shaped to a rounded and chondrocyte-like with a stellate appearance and multiple branching processes

Ideal candidates include adults interested in evidence-based longevity interventions, individuals seeking to optimize healthspan and biological age, patients with family histories of age-related disease, and those committed to comprehensive preventive health strategies