Mark expands the Primal Blueprint Podcast by recording select Mark's Daily Apple posts for your listening pleasure!While the research might suggest that certain traits make exercise overall a more appealing choice for some people, I think it’s important to not run too far with the idea that certain personalities tend to embrace fitness more or might (in some studies) perform better along given physical measures.(These Mark's Daily Apple articles were written by Mark Sisson, and are narrated by Brock Armstrong)