HAVIT Blog
Guias baseados em ciência sobre hábitos, sono, nutrição e movimento.
Recentes · 1086 artigos
Beta-Glucan for Cholesterol: Why 3 Grams Daily Is the Magic Number (And How to Actually Get It)
Consuming 3 grams of beta-glucan daily from oats or barley can reduce LDL cholesterol by 5-10%, equivalent to about 1.5 cups of cooked oatmeal.
Bile Acid Malabsorption: The Hidden Cause of Chronic Diarrhea Your Doctor Might Miss
Up to 30% of people diagnosed with IBS-D actually have bile acid malabsorption—a treatable condition that responds well to specific medications once properly identified.
Bile Acid Malabsorption Diet for Chronic Diarrhea: Fat Modification and Fiber Strategies That Actually Work
Managing bile acid malabsorption through diet means cutting fat to 40g daily, adding soluble fiber gradually, and timing meals strategically—often more effective than medication alone.
Biological Age Test Accuracy: TruDiagnostic vs Elysium vs GlycanAge Compared (2026)
DunedinPACE shows the best test-retest reliability at 0.89 ICC, while GlycanAge methodology diverges significantly from epigenetic approaches.
Biphasic Sleep Schedule: How to Start Safely Without Wrecking Your Week
Biphasic sleep isn't a hack—it's how humans slept for millennia, and a gradual 3-week transition can help you adopt it safely.
Birthday Cake Without the Guilt Spiral: A Psychology-Based Permission Protocol
Pre-planned celebration meals with specific psychological framing reduce guilt by 67% and prevent the 'what-the-hell effect' that derails diets for days.
Blood Flow Restriction Training at Home Safely: The 2026 Protocol Guide
BFR training at home requires 40-80% arterial occlusion pressure, 30-15-15-15 rep schemes with 30-second rest, and proper band placement to maximize gains while avoiding nerve damage.
Blood Flow Restriction Training: Building Muscle at 20% Your Max Weight
BFR training restricts blood flow during light lifting (20-30% 1RM) to trigger muscle growth comparable to heavy training—ideal for rehab or joint issues.
Blood Flow Restriction Training: Build Muscle at 20% Your Max Weight (2026 Guide)
BFR training builds comparable muscle to heavy lifting using just 20-30% of your max weight by creating metabolic stress through controlled pressure bands.
Blood Glucose Variability Without Diabetes: Why Your A1C Might Be Lying to You
Your blood sugar can spike and crash dramatically while maintaining a 'perfect' A1C—and these hidden swings may predict metabolic problems years before traditional tests catch them.
Blood Oxygen Level Tracking: What's Normal at Altitude and During Exercise
Normal SpO2 ranges from 95-100% at sea level but can safely drop to 88-92% at high altitude or during intense exercise—knowing the difference prevents unnecessary panic.
Blood Pressure Variability Day to Day: What's Normal and When to Worry
Daily blood pressure swings of 10-20 mmHg systolic are completely normal; consistent patterns matter more than individual readings.