HAVIT Blog
Guides fondés sur la science pour les habitudes, le sommeil, la nutrition et le mouvement.
Récents · 107 articles
Leptin Resistance Reversal: How to Reset Your Hunger Hormone Sensitivity in 2026
Leptin resistance makes your brain ignore fullness signals despite high leptin levels—restoring sensitivity requires addressing inflammation, sleep, and metabolic timing rather than just eating less.
Leptin Resistance Reversal: How to Restore Your Brain's Sensitivity to Fullness Signals
Leptin resistance happens when your brain stops hearing fullness signals; reversing it requires targeting inflammation, sleep, and specific eating patterns rather than just eating less.
Leptin Resistance Symptoms and How to Fix It Naturally: A 2026 Reset Protocol
Leptin resistance keeps you hungry despite having plenty of fat stores; fixing it requires strategic sleep, movement timing, and eating patterns rather than willpower.
Lipolysis Explained: The Hormonal Triggers That Actually Release Fat From Storage
Fat burning requires specific hormonal signals—primarily catecholamines binding to beta-receptors while insulin stays low—and understanding this cascade reveals why timing and stress management matter more than most people realize.
The Six-Meals-a-Day Myth: What 47 Studies Actually Say About Eating Frequency and Your Metabolism
Eating more frequently doesn't speed up your metabolism—total daily calories matter far more than how often you eat them.
When You Eat Matters More Than You Think: Circadian Rhythm and Weight Loss Science
Eating the same calories earlier in the day burns more fat and preserves more muscle than late-night eating, thanks to your circadian clock's control over metabolism.
Why Your Weight Jumps 2-4 Pounds Every Month (And Why It's Not Fat)
Menstrual cycle metabolism changes cause 2-4 pound weight fluctuations that have nothing to do with fat gain—here's what's actually happening in each phase.
Your Metabolism Shifts Up to 300 Calories Across Your Menstrual Cycle—Here's How to Train and Eat for Each Phase
Your body burns different amounts of energy and responds differently to exercise depending on where you are in your cycle—here's how to optimize both.
Menstrual Cycle Metabolism and Weight Fluctuation: What Each Phase Does to Your Body
Metabolic rate rises 5-10% in the luteal phase while water retention can add 2-4 pounds—timing nutrition to your cycle helps manage both.
How to Reverse Diet After Calorie Restriction Without Regaining Weight: The 2026 Protocol
Increase calories by 5-10% weekly over 8-16 weeks to reverse metabolic adaptation without significant fat regain.
Metabolic Flexibility: How to Train Your Body to Switch Between Carbs and Fat for Fuel
Metabolic flexibility—your body's ability to switch between burning carbs and fat—can be trained through specific eating and exercise patterns.
Metabolic Flexibility Training: How to Switch Between Carbs and Fat for Better Energy
Training your body to efficiently switch between burning carbs and fat can transform your energy levels and make weight management significantly easier.