Have You Checked Your Heart Rate Variability Lately?

Mark expands the Primal Blueprint Podcast by recording select Mark's Daily Apple posts for your listening pleasure!

People are always looking for that one biomarker to rule them all, the number on a paper that absolutely determines your health, longevity, fitness level, sex appeal, happiness, and productivity. Throughout the years, it’s bounced around as researchers think they’ve found “IT” – from cholesterol to LDL to BMI to small dense LDL to CRP to blood pressure to pulse rate and back again – but we always come up wanting. The “one biomarker” never pans out because biology is complex and irreducible to a single number.

(These Mark's Daily Apple articles were written by Mark Sisson, and are narrated by Brock Armstrong)