HAVIT Blog
Guides fondés sur la science pour les habitudes, le sommeil, la nutrition et le mouvement.
Récents · 107 articles
How to Naturally Increase Adiponectin: The Metabolic Hormone Most People Have Never Heard Of
Adiponectin protects against diabetes and heart disease, and you can increase it naturally through cold exposure, omega-3s, specific exercises, and quality sleep.
Adiponectin: The Fat Hormone That Actually Helps You Burn Fat (And How to Boost It)
Adiponectin is an anti-inflammatory hormone from fat cells that paradoxically decreases as you gain weight—here's how to boost it through diet, exercise, and lifestyle changes.
Age-Related Metabolic Decline: What Actually Happens After 40 and How to Prevent It
Your metabolism doesn't crash at 40—it stays remarkably stable until 60, and the decline after that is preventable with the right interventions.
Your Metabolism Doesn't Crash at 30: When It Actually Declines and How to Fight Back
Metabolism remains remarkably stable from 20-60, with real decline starting later—and muscle preservation is your strongest defense.
Why Your Body Stores Fat After Drinking (It's Not Just the Calories)
Alcohol doesn't just add calories—it fundamentally rewires your metabolism to prioritize fat storage while halting fat burning for hours.
Why Your Body Treats Alcohol Like a Metabolic Emergency (And What That Means for Fat Storage)
Alcohol halts fat burning for up to 48 hours because your liver treats it as a toxic priority, making what you eat while drinking far more likely to become stored fat.
Why Your Body Treats Alcohol Like an Emergency: The Fat Storage Mechanism Explained
Your liver treats alcohol as a toxin and prioritizes burning it first, which means everything else you eat gets stored as fat until the alcohol is processed.
Why Your Body Stops Burning Fat the Moment You Drink Alcohol
Your liver treats alcohol as a toxin and prioritizes metabolizing it over burning fat, pausing fat oxidation by up to 73% for 4-8 hours after drinking.
Ghrelin and Leptin: How to Naturally Reset Your Appetite Hormones in 2026
Your appetite hormones respond predictably to sleep, meal timing, and specific foods—here's exactly how to use that to your advantage.
Ghrelin and Peptide YY: The Appetite Hormones You Can Actually Control in 2026
Your hunger isn't random—ghrelin and peptide YY are running the show, and you can influence both through meal timing, protein intake, and sleep quality.
Why You're Starving After a Bad Night's Sleep: The Ghrelin-Leptin Crash Explained
Just one night of poor sleep can increase your hunger hormone ghrelin by 28% while suppressing leptin, creating a biological perfect storm for overeating that takes 2-3 nights of quality sleep to reverse.
Do Artificial Sweeteners Spike Insulin? The 2026 Science on Which Ones Actually Affect Weight Loss
Sucralose and saccharin can trigger insulin responses in some people, while stevia and monk fruit appear metabolically neutral—individual gut bacteria play a surprising role.