
Sleep deprivation and life expectancy: what the data really say
Does sleeping 6 hours shorten your life? The numbers from large cohorts, the issue of sleeping too long, and the underestimated lever: regularity.
Read the analysisAnalyses, protocols and critiques to distinguish useful signals from noise in nutrition, sleep, performance and supplementation.

Does sleeping 6 hours shorten your life? The numbers from large cohorts, the issue of sleeping too long, and the underestimated lever: regularity.
Read the analysis
Caffeine withdrawal lasts 2 to 9 days, with headaches peaking around 24 to 48 hours. What happens, what you really gain, and how to cut back without suffering.

Do Ozempic, Wegovy or Mounjaro cause muscle loss? Discover the real figures and a precise protocol to preserve strength and muscle mass.

Does kimchi feed your microbiome or just fermented-food marketing? Human trials, irritable bowel syndrome, histamine, salt, and how to introduce it without making yourself ill.

Buteyko has mainly been studied in asthma, not as a stress treatment. Three cautious breathing exercises, limitations and rules for stopping.

Pre-bed whey: 20 to 30 g of protein if you still fall short of your target. Compare whey and casein, timing, sleep and precautions for reflux.