Ravi Varadhan, PhD, Associate Professor of Oncology in the Division of Biostatistics and Bioinformatics at the Sidney Kimmel Comprehensive Cancer Center and Core Faculty in the Center on Aging & Health will present “Variety is the Spice of Life: Exploring the Various Facets of Heterogeneity in Aging” at the upcoming COAH Scientific Seminar on Monday, February 7 at 3:30pm