All guests
Mark Arvin, PhD

Guest

Mark Arvin, PhD

Molecular Microbiologist

Three decades reading what's really in your environment.

Mark Arvin, PhD, is a molecular microbiologist with decades of experience studying the microorganisms that live alongside us in our homes and workplaces.

On the show, Mark translates the lab into plain language — what the tests can and can't tell you, and where the real risks are.

On the show

Episodes with Mark Arvin