HAVIT Blog
Guides fondés sur la science pour les habitudes, le sommeil, la nutrition et le mouvement.
Récents · 110 articles
Iron Deficiency Without Anemia: Why You Feel Exhausted with 'Normal' Blood Tests
Your hemoglobin can be perfectly normal while your iron stores are depleted enough to cause real symptoms—ferritin under 30 ng/mL is the hidden culprit.
Iron Deficiency Without Anemia: Why You're Exhausted Despite Normal Blood Tests
Your hemoglobin can be perfectly normal while your iron stores are depleted enough to cause crushing fatigue—ferritin below 50 ng/mL is the hidden culprit.
Iron Deficiency Without Anemia: Why Your Ferritin Matters More Than Your Hemoglobin
You can have debilitating iron deficiency symptoms with completely normal hemoglobin—ferritin below 30 ng/mL often explains fatigue, brain fog, and hair loss that doctors miss.
IBS FODMAP Reintroduction Phase Step by Step: Your Complete 2026 Challenge Protocol
The FODMAP reintroduction phase tests one food group at a time over 3 days, with 3-day washouts between challenges, to pinpoint your exact triggers while safely expanding your diet.
Morning Joint Stiffness: Why Those First 30 Minutes Tell You Everything
Morning stiffness lasting over 30-60 minutes typically signals inflammatory joint conditions, while shorter duration suggests mechanical issues—tracking this daily can transform how you manage joint health.
Kidney Stone Prevention Diet by Stone Type: Why Your Neighbor's Advice Might Backfire
The diet that prevents one type of kidney stone can actually cause another—here's how to eat right for YOUR specific stone composition.
Leaky Gut Syndrome: What Science Actually Says About Intestinal Permeability in 2026
Intestinal permeability is real and measurable, but 'leaky gut syndrome' as marketed isn't a recognized diagnosis—here's what the research actually supports.
Oral Lichen Planus Triggers: Why Your Dental Fillings and Diet May Be Making Flares Worse
Dental materials and common foods trigger most oral lichen planus flares; identifying your personal triggers through elimination can reduce lesion severity by up to 60%.
Low Stomach Acid: The Hidden Cause Behind Your Bloating and Fatigue
Low stomach acid affects up to 30% of adults over 60 and can cause bloating, nutrient deficiencies, and fatigue—often mistaken for excess acid.
Mast Cell Activation Syndrome Symptoms: Why Your Flushing Might Mean More Than You Think
MCAS causes unpredictable multi-system symptoms when mast cells release mediators inappropriately—recognizing your personal trigger patterns is the first step toward stabilization.
Mast Cell Activation Syndrome Symptom Tracking: A Practical Guide to Finding Your Triggers in 2026
Systematic symptom tracking over 4-8 weeks can reveal hidden MCAS trigger patterns that random note-taking misses entirely.
MALS Syndrome: When Eating Becomes Agony and Doctors Can't Find Why
MALS is a rare vascular compression syndrome where a ligament squeezes your celiac artery, causing severe abdominal pain after eating—and it's often dismissed for years.