HAVIT Blog

Science-backed guides on habits, sleep, nutrition, and movement.

LatestBest Calorie Counter Apps in 2026 (Free and Paid): Every Major App, Reviewed One by OneEvery number in a calorie app is an estimate, so choose on consistency rather than claimed accuracy. Data provenance matters more than database size — and check what happens after the number.

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Taking Omeprazole with GLP-1 Medications: What the Evidence Actually Shows

No dangerous interaction between PPIs and GLP-1s has been identified and they're commonly combined, but GLP-1s can worsen reflux, and long-term PPI use deserves periodic review.

How to Increase NEAT for Weight Loss Without Exercise: The Science of Everyday Movement

Everyday movement—walking, fidgeting, chores, taking stairs—can add up to a meaningful share of daily calorie burn. In one Mayo Clinic study, people with obesity sat about 2 hours more per day than lean people, a gap worth roughly 350 calories daily.

How to Get Insurance to Cover Wegovy: Prior Authorization Tips That Actually Work in 2026

Getting Wegovy covered requires strategic documentation, persistence through appeals, and understanding your insurer's specific criteria—here's exactly how to do it.

Active Recovery Day Intensity Threshold: Finding the Sweet Spot That Actually Works

Keep active recovery genuinely easy—roughly 65% of max heart rate or less is a useful rule of thumb. Walking, easy cycling or gentle yoga keep you moving without adding new training stress.

Social Jet Lag Calculation: How to Find Your Score and Fix Weekend Sleep Drift

Social jet lag is the gap between the midpoint of your sleep on workdays and on free days. Observational studies link larger gaps with higher BMI, metabolic problems and depressive symptoms; morning light, capped sleep-ins and steady meal times can help close it.

GLP-1 Medications for PCOS: What the Evidence Shows About Weight, Insulin, and Ovulation

GLP-1 medications reliably help women with PCOS and higher weight lose weight, and small trials suggest improvements in insulin resistance, cycle regularity, and natural pregnancy rates—but the evidence is still low-certainty, and these drugs aren't approved specifically for PCOS.

Lowering CRP With Diet: What the Evidence Actually Shows

Diet can lower hs-CRP modestly: Mediterranean-style eating cut it by about 1 mg/L in trials, and each kilogram of weight lost lowers it by roughly 0.13 mg/L. No specific food combination is proven to slash it, and results above 10 mg/L need a doctor's review.

Heart Rate Zone Training: Why Your Watch's Zones Are Probably Wrong (And How to Fix Them)

Generic heart rate formulas miss the mark for most people—here's how to calculate zones that actually match your physiology using proven threshold methods.

Plank Progression for Core Stability: From Basic Holds to Advanced Anti-Rotation Variations

Progress planks by mastering stability at each level before adding movement—most people skip steps and plateau at basic endurance instead of building true anti-rotation strength.

The 10-Minute Evening Stretching Routine That Actually Helps You Fall Asleep Faster

Gentle evening stretching paired with slow breathing is a low-risk way to wind down; small trials suggest stretching and yoga can improve sleep, though no study has tested this exact routine.

Borderline High TSH Symptoms: When Subclinical Hypothyroidism Needs Action (2026 Guide)

Most people with mildly elevated TSH (below 10) don't need medication—but pregnancy or plans for it, TSH persistently 10 or higher, rising levels, and younger age with symptoms can change that.

Non-Celiac Gluten Sensitivity vs FODMAP Intolerance: The Real Reason Gluten-Free Feels Better

In blinded trials, only about 16% of people with suspected gluten sensitivity reacted specifically to gluten—many may be reacting to FODMAPs in wheat, or to the expectation of gluten, instead.