5 Things You Think Are Extending Your Life (That Are Actually Doing Nothing)

Longevity's become an industry. Cold plunges, supplements, wearables, peptides, hyperbaric chambers, elaborate morning routines. And listen, I'm fascinated by this stuff. I use many of these tools myself. I have a morning routine. I do cold plunges. I use certain supplements and peptides. I love experimenting with new ways to optimize my health, and I'm always interested in

where the science is going. But here's the thing, none of these tools can replace the fundamentals. You can have the perfect supplement stack, track every biomarker, spend thousands of dollars on the latest longevity therapies, but if you're not exercising, you're not building muscle, you're not sleeping well, you're not eating real food, and you're not taking care of your

metabolic health, you're optimizing the margins while ignoring the foundation. And I think that's where the longevity conversation can sometimes get off track. So today, we're going to cut through some of the noise, what actually matters most if you want to live a longer, healthier life. We're going to talk about that. Because you don't need

to give up the cold plunges or throw away your supplements, you just need to know what deserves your attention first. This episode was brought to you by Function. Get access to over 160 lab tests annually at functionhealth.com/mark. All right, let's dive into the myths. The first myth is the thinner you are, the healthier you'll age. Let's start

with the scale. For decades, we've been conditioned to think lower weight equals better health. And excess body fat, particularly visceral fat, is absolutely associated with metabolic disease. But here's the problem. Weight doesn't tell you what you're made of. You can lose 20 lb and celebrate what you see on the scale, but what did you lose? Fat,