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How long can we live? How much of aging is genetics vs. environment? How old are your cells? What can we learn from the world’s oldest people? World-renowned aging expert and biogerontologist Dr. Caleb "Tuck" Finch takes a quick break from his prolific research at USC to answer Alie's sometimes basic questions about everything from molecules to Blue Zones.

A donation was made to Cure Alzheimer's Fund

Full-length (*not* G-rated) Biogerontology episode + tons of science links

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Sound editing by Steven Ray Morris, Mercedes Maitland of Maitland Audio, and Jarrett Sleeper of MindJam Media

Made possible by work from Noel Dilworth, Susan Hale, Kelly R. Dwyer, Emily White, & Erin Talbert

Smologies theme song by Harold Malcolm