Welcome back to the Barbell Medicine podcast. I'm Dr. Jordan Feigenbaum. Hope you've had a great week so far.

I wanted to do a sort of primer about cortisol in preparation for our next

podcast which is all about what happens when cortisol levels are too high. Now there's a lot of

material to cover on cortisol and we didn't want to overload our audience with

information so in this podcast I'll be talking about the

normal physiology of cortisol and take a deep dive into how it's affected with dieting.

But before we get into that, I have a few announcements. First up, as I've been plugging the last few weeks,

we have recently published a number of free resources

that you may find helpful.

On our resources page, we release calculators

to help you determine target daily calories,

macronutrients, heart rate zones for conditioning,

one rep maxes using RPE and more.

We've also included our top articles and videos on training, nutrition, and pain as a sort of barbell medicine's greatest hits.

I've linked that page in the show notes below, but you can also get there by heading to our website

barbell medicine.com, clicking on about us and then resources.

Second, our Android app is live in the Google Play Store. It's free to download

and use, so if you're an Android using Barbell Medicine fan, go check it out. Finally,

our pain and rehab team has a two-day in-person seminar scheduled for next month, that's October, in Atlanta, Georgia.

It's approved for CEUs for physical therapists and personal trainers can likely use this seminar for continuing education as well.

Okay, let's get into the meat of this podcast. First up, what is cortisol?

Cortizol is a steroid hormone and in humans steroid hormones are made in specialized

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