Most people think of their genes as fixed. You inherit them, you’re stuck with them, and they determine a significant portion of what happens to your health as you age. That’s the common understanding — and it’s only partially correct. What’s less commonly understood is that genes are not just blueprints that execute automatically. They’re … Read more
I don’t have a medical degree. What I have is 15 years of paying close attention, a background in physics and chemistry that taught me how to evaluate evidence, and a personal experience that’s hard to argue with. Here’s what I’ve learned. Most health advice operates at the wrong level. It focuses on inputs — … Read more
You probably noticed it at some point. A cut that would have been gone in three days takes a week. Muscle soreness after a workout lingers longer than it used to. A cold that you would have shaken off in 48 hours drags on for ten days. You chalked it up to getting older. And … Read more
There’s a biological clock most people don’t know about. It has nothing to do with fertility or gray hair. It has to do with a specific class of molecules your body produces inside every cell — molecules so fundamental to how your body works that when their production declines, almost everything else is affected. These … Read more
Most people notice it somewhere between their late 30s and mid-40s. Recovery from exercise takes longer. Sleep doesn’t restore you the way it used to. Small injuries linger. Energy has a ceiling it didn’t used to have. You’re not sick — you’re just not quite what you were. The common explanation is “aging.” And while … Read more
