Articles
Original guides grounded in ADA, CDC, NIDDK, and Mayo Clinic references — organized into five practical clusters.
Understanding Your Numbers
What Is an A1C Test? A Plain-English Guide
A1C measures your average blood sugar over roughly the past 2-3 months. Here's how the test works and what the numbers mean.
Understanding Your NumbersFasting Glucose vs. A1C: What's the Difference?
Fasting glucose and A1C both diagnose diabetes risk, but they measure different things over different timeframes.
Understanding Your Numbersmg/dL vs. mmol/L: Why Blood Sugar Has Two Units
The US uses mg/dL for blood glucose; most other countries use mmol/L. Here's how to convert between them and why both exist.
Understanding Your NumbersNormal Blood Sugar Ranges by Time of Day
General blood sugar targets differ before meals, after meals, and overnight. Here's the ADA's general population guidance.
Understanding Your NumbersHow Often Should You Test Your Blood Sugar?
Testing frequency depends on your diabetes type, treatment, and stability. Here's general guidance on A1C and daily testing schedules.
Understanding Your NumbersCGM vs. Fingerstick Testing: How They Compare
Continuous glucose monitors and fingerstick meters both measure blood sugar, but differ in what they show and how often.
Prediabetes & Risk
What Is Prediabetes, and Is It Reversible?
Prediabetes means blood sugar is higher than normal but not yet in the diabetes range — and for many people, it can be reversed.
Prediabetes & RiskFamily History and Diabetes Risk: What the Research Shows
Having a parent or sibling with diabetes raises your own risk. Here's what that means and what you can do about it.
Prediabetes & RiskGestational Diabetes and Your Risk After Pregnancy
Gestational diabetes usually resolves after delivery, but it raises long-term risk of type 2 diabetes. Here's what postpartum screening looks like.
Prediabetes & RiskPCOS and Type 2 Diabetes Risk: The Connection Explained
Polycystic ovary syndrome is linked to insulin resistance, which raises the risk of prediabetes and type 2 diabetes over time.
Prediabetes & RiskAcanthosis Nigricans: An Early Skin Sign of Insulin Resistance
Dark, velvety skin patches at the neck or armpits can be an early visible sign of insulin resistance, worth mentioning to your doctor.
Prediabetes & RiskWaist Circumference and Diabetes Risk: Why It Matters More Than Weight
Where you carry weight matters as much as how much — waist circumference is an independent marker of type 2 diabetes risk.
Daily Living
Diabetic Foot Care Checklist: A Daily Routine
Diabetes can reduce sensation and circulation in the feet, making daily foot checks an important, simple habit.
Daily LivingTraveling with Diabetes: A General Packing and Planning Checklist
A little extra planning makes traveling with diabetes smoother — from packing supplies to handling time zones.
Daily LivingManaging Diabetes at Work or School
A few practical habits and known rights make it easier to manage diabetes during the work or school day.
Daily LivingHow Exercise Affects Blood Sugar
Physical activity generally lowers blood sugar, but the effect depends on intensity, duration, and individual factors.
Daily LivingSick-Day Guidance for Diabetes: General Principles
Illness can raise blood sugar even without eating, which is why diabetes sick-day plans differ from typical routines.
Daily LivingHow Sleep Affects Blood Sugar
Poor sleep quality or short sleep duration is linked to higher blood sugar and increased insulin resistance.
Nutrition
Carb Counting Basics for Beginners
Carbohydrates have the biggest direct effect on blood sugar of any nutrient. Here's how carb counting works.
NutritionGlycemic Index vs. Glycemic Load: What's the Difference?
Glycemic index measures how fast a food raises blood sugar; glycemic load also accounts for portion size.
NutritionDiabetes Meal Planning: General Principles
There's no single diabetes diet — but a few consistent principles help with blood sugar management across eating styles.
NutritionDiabetes-Friendly Snack Ideas
Snacks that pair carbohydrate with protein, fat, or fiber tend to have a gentler effect on blood sugar.
NutritionAlcohol and Blood Sugar: What to Know
Alcohol can raise or lower blood sugar depending on the type of drink, food intake, and medication — general safety points to know.
NutritionHow to Read Nutrition Labels for Diabetes Management
Serving size, total carbohydrate, and added sugar are the numbers that matter most on a label for blood sugar management.
Costs, Insurance & Tools
The Real Cost of Managing Diabetes in the US
Diabetes care costs go well beyond medication — testing supplies, doctor visits, and complications all add up.
Costs, Insurance & ToolsInsulin Assistance Programs: Where to Start Looking
Manufacturer, nonprofit, and state programs can lower insulin costs — here's a general overview of where to look.
Costs, Insurance & ToolsIs a CGM Covered by Insurance? Questions to Ask
CGM coverage varies by insurer, plan, and diagnosis. Here are the general questions worth asking before you commit.
Costs, Insurance & ToolsTypes of Diabetes Medication: An Educational Overview
An educational look at the major classes of diabetes medication and how they generally work — not a guide to dosing or treatment choice.
Costs, Insurance & ToolsHow to Use GlucoClarity's 4 Diabetes Tools Together
The A1C converter, unit converter, and risk quiz are designed to work together as a starting point for understanding your numbers.
Costs, Insurance & ToolsWorthwhile Diabetes Apps: What to Look For
Diabetes apps generally fall into a few categories — here's what each does and what to consider before choosing one.