Dr. Peter Attia
speaker
5,258 appearances
36 recordings
6 series
first heard Jan 2024
last heard Jun 2025
Dr. Peter Attia’s voice in public audio — every appearance, attributed to the second.
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Hey everyone, welcome to The Drive Podcast. I'm your host, Peter Attia. This podcast, my website, and my weekly newsletter all focus on the goal of translating the science of longevity into something accessible for everyone. Our goal is to provide the best content in health and wellness, and we've established a great team of analysts to make this happen.
It is extremely important to me to provide all of this content without relying on paid ads. To do this, our work is made entirely possible by our members, and in return, we offer exclusive member-only content and benefits above and beyond what is available for free.
If you want to take your knowledge of this space to the next level, it's our goal to ensure members get back much more than the price of a subscription. If you want to learn more about the benefits of our premium membership, head over to peteratiamd.com forward slash subscribe. My guest this week is Dr. Paul Turek. Paul is a world-renowned expert in male fertility and reproductive health.
And you can think of this as part one of a two-part mini-series we're doing on fertility and reproductive health, with this one, of course, being on the male system. Next week, we'll feature Dr. Paula Amato, who is going to be the female expert on this topic.
Paul is the founder and medical director of the Turek Clinic, specializing in cutting-edge treatments for infertility and men's health, and a pioneer in advancing research on sperm biology, genetics, and reproductive longevity. He's also the host of the Talk with Turek podcast.
In this episode with Paul, we explore the intricate and highly evolved process of conception, discussing the challenges sperm face on their journey to fertilization. This of course is important to understand all the places where it can go wrong. So it's not just an interesting story, it also explains how challenging it actually is.
Paul shares insights into male fertility, including how sperm function in coordination To navigate the female reproductive tract, we discuss how various factors such as heat exposure, stress, and environmental toxins impact sperm quality. We talk about what men can do to optimize their reproductive health.
Paul explains the effects of testosterone replacement therapy on fertility, debunking many myths and offering strategies for men looking to preserve their ability to conceive while being on hormone replacement therapy. Talk about the emerging fertility technologies, including advanced sperm sorting techniques, genetic testing, and innovative treatments that could redefine reproductive medicine.
Also talk about the differences between the risk in the aging male and the aging female. And this was actually one of the most interesting things I learned about in this podcast. So without further delay, please enjoy the first of two parts on a discussion of fertility and reproductive health. This one with Dr. Paul Turek. Hey, Paul. Thank you so much for coming out to Austin.
Peter Attia, the man, the myth, the legend. I am so excited to be here. This is, in many ways, I guess, what's going to be part one of a two-part series I hope to do on fertility. And given the complexity of it, I think the most logical way to do it would be to break it down into male fertility, female fertility, and there's obviously going to be things we talk about that'll overlap.
But I was trying to think about the best way to start this. The first thing that came to my mind was, can we just explain what's involved in conception? and maybe do it through the lens of the sperm, but how much of a challenge is this? I mean, obviously there's an enormous evolutionary pressure for this to go as easily as possible, but what is actually involved?
So what happens for a sperm to fuse with an egg? What are all the things that are standing in its way, so to speak?
By the way, is there an evolutionary explanation for that phenomenon?
And typically absorbs the immune system, secretes FCR receptor. And by the way, we've referred to the immune system a couple of times now. What is it? Is it just a bunch of antibodies? Are they B cells? What is the barrier? There's T cells, B cells, and antibodies. It's a full immune response. Absolutely. So it's a specific immune response. Anything for it.
If you're not able to deactivate the system, you're not going to be able to get through because the immune system is active. Let's go through those numbers one more time. About 100 million ejaculated. At the cervix. 5 million get through. To cervix, into the uterus.
So let's also define what makes up the ejaculate because we've talked about the sperm. So how are sperm made? Because an important consideration for a sperm is it can only have half the genetic information contained within all the other cells in the man's body. So when does that take place? So the testicle makes sperm.
But it's not always the same half.
It's not the same as when it started. Yeah. A funny story, which I think I've shared on the podcast before, but if not, I'm sure someone will be amused by my stupidity.
I had to take the MCAT before doing any of the pre-med stuff because I had studied engineering and then decided I wanted to do medicine, but didn't want to spend two years preparing, one year taking the post back and then the MCAT and then doing it. So I was like, I'm going to just wing it and take this MCAT having never taken a biology class since high school. I took freshman biology.
So I am studying my heart out for this little MCAT test and the physics and the chemistry are fine. But this biology thing is killing me. And I bought this cheap study guide. I didn't have the money or I didn't want to splurge for the official study guide. There's an official MCAT study guide. But the thing was like 60 bucks. But there were these knockoff books for 10 bucks.
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