HAVIT Blog
Guides fondés sur la science pour les habitudes, le sommeil, la nutrition et le mouvement.
Récents · 110 articles
Restless Leg Syndrome and Iron: Why Your Ferritin Level Needs to Hit 75, Not 12
RLS patients need ferritin levels above 75 ng/mL—far higher than the standard 12 ng/mL cutoff—because brain iron transport requires significantly more circulating ferritin than other tissues.
Restless Leg Syndrome and Iron: Why Your Ferritin Needs to Hit 75, Not Just 'Normal'
Standard 'normal' ferritin (12-150 ng/mL) isn't enough for RLS—your brain needs 75+ ng/mL to calm those restless legs.
SAD Light Therapy Timing Guide: When 23 Minutes Beats 60 Minutes for Winter Depression
Light therapy works best at 10,000 lux for 20-30 minutes within 30 minutes of waking, with morning sessions showing 67% better response rates than evening use.
Silent Inflammation: How to Reduce Chronic Low-Grade Inflammation Naturally in 2026
Recent trials prove that targeted lifestyle interventions—specific foods, sleep optimization, and strategic movement—can reduce inflammatory markers as effectively as some medications.
Silent Inflammation Symptoms: 9 Body Warning Signs You're Probably Ignoring
Chronic low-grade inflammation shows up in unexpected ways—persistent fatigue, brain fog, stubborn belly fat—often years before serious conditions develop.
Silent Reflux (LPR): Why Your Throat Problems Aren't Typical Heartburn
Silent reflux (LPR) sends stomach acid to your throat instead of causing heartburn, requiring dietary changes and upright positioning rather than just antacids.
Silent Reflux (LPR): Why Your Throat Burns Without Heartburn
Silent reflux (LPR) sends stomach acid to your throat instead of staying in your esophagus, causing chronic cough and hoarseness without the typical heartburn warning sign.
Small Fiber Neuropathy Symptoms: Why Your Burning Feet Aren't 'Just Anxiety'
Burning feet, random tingling, and temperature sensitivity could signal small fiber neuropathy—a condition affecting up to 53 per 100,000 people that standard nerve tests miss entirely.
SIBO Symptoms and Bloating After Eating: What Actually Works in 2026
SIBO affects up to 15% of healthy adults, but proper breath testing and targeted antibiotics resolve symptoms in most cases within 2-4 weeks.
SIBO Breath Test Results: What Your Hydrogen and Methane Levels Actually Mean for Treatment
Your SIBO breath test pattern—hydrogen-dominant, methane-dominant, or mixed—determines which dietary and treatment approaches will actually work for your gut.
Borderline High TSH Symptoms: When Subclinical Hypothyroidism Needs Action (2026 Guide)
Most people with mildly elevated TSH (4.5-10) don't need medication—but specific symptoms, age, and antibody status change that calculus significantly.
Subclinical Hypothyroidism: When to Treat vs. Watch and Wait (2026 Evidence)
Most people with TSH under 10 mIU/L and no symptoms benefit more from monitoring than medication, but specific factors change this calculation.