I used to think being "healthy" was just something that happened naturally.
Back in 2019, I could hike for hours, reach a summit, and feel like I owned the world. But somewhere between then and last winter, I lost that version of myself. I didn't notice it happening. It was just a slow build-up of late nights, desk snacks, and a growing layer of dust on my running shoes.
The wake-up call wasn't a big movie moment—it was three flights of stairs. I reached the top and realized I couldn't catch my breath. Shortly after, the physical symptoms started: a racing heart, blurry vision, and that weird tingling in my fingers that makes you panic.
The doctor’s verdict was simple but stinging: “Your body is sending you a warning. Keep going like this, and you’re going to burn out for good.”
Sitting in that waiting room, I didn’t feel scared—I felt guilty. I’d spent years taking care of my work, my projects, and my gadgets, but I’d completely neglected the "hardware" that actually matters: myself.
Why "Cache Lab"?
I started this site because I decided to treat my recovery like an experiment. I'm not a fitness influencer or a medical expert. I’m just someone who wants to feel "light" again.
I wanted to wake up without a dull headache, to walk without getting winded, and to actually taste my food instead of inhaling it at my desk.
Cache Lab is where I document what I’m learning. In the tech world, a "cache" is a place where you store things to make a system run faster and more efficiently. That’s what this site is for me—a place to store the habits, small wins, and lessons that help my "system" run better.
What you'll find here:
Real Experiments: I read the nutrition books and try the morning stretches so you can see what actually sticks.
Simple Habits: From tracking water intake to the actual impact of turning off my phone an hour before bed.
No Fluff: I’m not here to sell you "superfoods" or 30-day body transformations. I’m here to figure out how to respect my body again.
If you’ve ever felt like you’re just "pushing through" the exhaustion, hoping it’ll go away on its own—I get it. But you don't have to wait for a doctor's warning to start treating yourself a little better.
Let's figure out how to slow down, together.
— Kaiguo Fang
Writing from a much sunnier perspective.
I’m sharing my personal journey and what works for me. I am not a doctor. Please don’t treat the content on this site as medical advice. If you’re feeling unwell, please go see a professional—it’s the best first step you can take.