Exercise vs. Genetics
S2, E12: Is exercise any good if you are genetically predisposed to big bones and cake? Penn and Teller interview various fitness gurus in an attempt to prove that genetics really are more important than fitness.

S2, E12: Is exercise any good if you are genetically predisposed to big bones and cake? Penn and Teller interview various fitness gurus in an attempt to prove that genetics really are more important than fitness.