The podcast he did with his brother Eric (The Portal #19) gives a very good history of the work he did as a grad student in finding that the telomeres of the la

The podcast he did with his brother Eric (The Portal #19) gives a very good history of the work he did as a grad student in finding that the telomeres of the lab mice supplied to US labs were elongated due the selective breeding process of producing as many mice as possible. The implications are quite alarming for existing testing and they talk about how he was basically ignored and the mice quietly fixed.