
Drink Smarter, Not More
The '8 glasses a day' rule has no real science behind it. Here's what hydration actually means — and why the two electrolytes most people ignore matter more than how much water you drink.
Cal Reeves·6 articles

The '8 glasses a day' rule has no real science behind it. Here's what hydration actually means — and why the two electrolytes most people ignore matter more than how much water you drink.
Cal Reeves·
Same bowl of rice, completely different blood sugar response. A 2025 Nature Medicine CGM study confirms what you've probably sensed: the ideal diet isn't universal — and the science finally explains why your body has its own rules.
Margot Laine·
The sports nutrition world has been fixated on one amino acid for decades. New research says that's only part of the story — and the full picture is more exciting than you'd expect.
Theo Marsh·
Brain fog isn't just about bad sleep. The bacteria in your gut are quietly running your mood and focus — and the fix might be simpler than you think.
Cal Reeves·
You're eating plenty but still hungry an hour later. The science behind protein leverage explains why — and the fix is simpler than you think.
Cal Reeves·
Blood sugar management has gotten a weirdly complicated reputation. Here's the simple version — and what you can actually do about those 3pm energy crashes.
Cal Reeves·