Hi, it's Mark Sisson.

Welcome to the Primal Blueprint Podcast.

It's time for another show dedicated to the world of keto.

Check out KetorReset.com for details about my New York Times bestselling book

and send your questions to info at Ketorreset.com.

Hi, listeners, Brad Kearns, welcome to the keto show. We have some very interesting questions,

and I will try to crank through these. How about we start with a fact of the day from the beloved Dr. Kate Shanahan, author of Deep Nutrition, one of the most smartest, most coolest, most favoritist people in the evolutionary

health, primal paleo, keto, all things relating to healthy eating and nutrition. And Dr. Kate was

describing the difference between subcutaneous fat, the fat underneath the skin, body fat,

and visceral fat, which is the internal fat, the fat that surrounds the organs, which is

touted to be more dangerous and more problematic for disease. You've heard the commentary that

this visceral fat is an organ in and of itself because it secretes inflammatory cytokines

and predisposes you to adding more fat. That's why a little bit

of visceral fat, which often collects around the abdomen, begets the introduction of more fat, because

it messes with your hormones, a lot of males around the age 50 or even younger if they're unhealthy, but they start to

notice an accumulation of belly fat, even though they've given devoted attention to diet, exercise,

healthy living, attributing it to age or whatever, it's normal, all those kind of things.

But this accumulation of visceral fat, promoting inflammation,

messing with your hormones, particularly increasing cortisol and reducing testosterone,

and therefore setting the stage for a more rapid decline of your ideal body composition

toward one where you're carrying too much fat and continuing to accumulate it for the rest of your ideal body composition toward one where you're carrying too much fat and

continuing to accumulate it for the rest of your life, as opposed to subcutaneous fat where

...