How much of each type of fat should we be eating? How should we balance our fat intake between the various types? What’s the optimal dietary fatty acid ratio, Sisson? Include decimals if you can. There’s no single right answer. It—sorry, folks—depends on a lot of factors. It depends on your goals, your activity levels, the rest of your diet, your genetics. Almost everything, to be honest. But there’s one universal factor determining an optimal fat balance that everyone needs to get right: their mitochondria. That’s what we’ll be discussing today. (This Mark's Daily Apple article was written by Mark Sisson, and is narrated by Tina Leaman)