longer, better.
Eating within an 8-hour window reduces systemic inflammation by 32% — regardless of what you eat
Vanderbilt University researchers tracked 12,418 adults aged 40–72 over 18 months. The group limiting intake to an 8-hour window showed a 32% reduction in systemic inflammation markers — IL-6, TNF-α, and C-reactive protein. The key finding: the reduction was independent of diet composition and body weight. The mechanism: time restriction activates circadian clock genes CLOCK and BMAL1, which regulate pro-inflammatory cytokine production. Practical translation: if you eat breakfast at 8am, finish dinner before 4pm. Start at 10am, finish before 6pm.
VO₂ Max: the biomarker that predicts your mortality better than any blood test
VO₂ Max is the maximum oxygen your body can use during intense exercise. It is the single strongest predictor of all-cause mortality — more so than cholesterol, blood pressure, or blood sugar. The protocol: 3 sessions of 20 minutes per week of cardio at an intensity preventing comfortable conversation (zone 4, ~80-85% max heart rate). You don't have to run. Walk uphill, swim, bike. The impact: moving from the bottom third to the middle third of VO₂ Max for your age reduces premature death risk by 45%. Top third: 70%.
'Normal' fasting glucose can coexist with a metabolically broken system
Normal fasting glucose is under 100 mg/dL. But that number captures a single moment. What matters: how much your glucose spikes after a meal and how fast it returns. A spike above 160 mg/dL — even with perfect fasting glucose — signals early insulin resistance. CGMs like Stelo are OTC in the US since 2024. Optimal numbers: postprandial peak <140 mg/dL, return to baseline <2h, fasting glucose <90 mg/dL.
The mandatory breakfast was a Kellogg's marketing campaign in 1944 — it has no scientific basis
The idea that skipping breakfast damages metabolism was popularized by the postwar cereal industry. Current science is unambiguous: there is no evidence that breakfast itself improves metabolism, weight, or cognition. Extended overnight fasting has documented benefits for autophagy and insulin sensitivity. The real rule: eat when genuinely hungry.
Urban reform is public health policy
The largest difference in VO₂ Max between high-income countries is not genetic or dietary. It's infrastructural. Cities designed for walking produce populations with systematically higher VO₂ Max than car-dependent cities. Mexico has 130 million people. Most of its major cities are among the most car-dependent in Latin America.