Morning Light Is a Better Sleep Tool Than Another App
Before buying another sleep tracker, look out the window. Consistent morning light is one of the clearest signals available to the body clock—and it costs nothing.
health
7 posts.
Coffee Is Good for You. The Caffeine Is the Complicated Part.
Big reviews link moderate coffee to lower risks of heart disease, diabetes and early death. But the evidence is about coffee, not caffeine - and the difference matters for how you drink it.
GLP-1 Drugs: What Five Years of Data Actually Shows
Semaglutide cut cardiovascular events by 20 percent in the SELECT trial, but a 2026 real-world study found the benefit evaporates within 18 months of stopping. The drugs work. The question is whether they work forever or just while you take them.
How to Measure Your Home's Ventilation and Fix a Stuffy Room
A CO2 sensor, a closed room, and one equation give you the air changes per hour your house actually achieves. Then you find which windows to open together. Most homes manage 0.5 ACH with everything shut.
Zone 2 Cardio: What the Mitochondrial Research Actually Shows
Zone 2 is the fat-oxidation band at 60 to 70 percent of max heart rate. The evidence for it is real but narrower than the hype: mitochondrial density, mitophagy, VO2 max, and the 80/20 split.
Creatine, Magnesium, and Omega-3: What 35 Trials Actually Say About the Three Most-Taken Supplements
A 2026 network meta-analysis of 35 trials and 1,211 athletes ranked creatine best for strength, protein best for endurance, omega-3 best for recovery. Here's the outcome-specific pattern and practical dosing.
Your Brain Has a Dishwasher — It Only Runs When You Sleep: The Glymphatic System Explained
A 2012 discovery revealed the brain's waste-clearance system: the glymphatic system. It runs primarily during deep sleep, clearing amyloid-beta and tau. New 2026 research shows why sleep fragmentation — not just short sleep — may be the real driver of neurodegenerative risk.