In our upcoming book Signal, there's a case that I think captures the entire problem with how testosterone is getting handled right now.

A guy named Mark, he's 45 years old, he's a partner at an architectural firm, and he's used to 12-hour days where he's normally sharp and productive. But over about a year, all of that goes away. The focus is gone. The energy is gone. His marriage is suffering. So he does what a lot of guys would do.

He finds a wellness clinic online, and they draw his blood.

Two days later, the number comes energy is gone. His marriage is suffering. So he does what a lot of guys would do. He finds a wellness

clinic online, and they draw his blood. Two days later, the number comes back. Total testosterone is

240 nanograms per deciliter. To mark, that number is an explanation. It's a reason for everything

that has been going wrong. But the clinic starts him on weekly testosterone injections. And for a few

weeks, he feels something.

But by month three, the fatigue is worse than it was before he started.

He's waking up with headaches and his blood pressure is climbing.

The problem was never his testosterone.

The clinic treated the number rather than treating the patient.

Over the next four episodes, we're going to show you why,

what testosterone actually is, how to tell when it's genuinely low, what is driving the numbers down at the population level, and what the evidence says you can do about it.

All of that comes from our upcoming book, Signal.

This week is the testosterone crisis that you keep hearing about actually real?

I'm Dr. Jordan Feigenbaum, and this is the Barbell Medicine podcast.

It's the second most handsome doctor, North America.

Dr. Austin Baraki, what's going on, man?

Feeling good.

I had a decent bench session this morning.

And I suspect my acute post-workout testosterone spike is riding high.

...