The Glucose Never Lies® Articles
Original articles on type 1 diabetes, technology, and the thinking behind the numbers
Evidence-backed writing that goes deeper than the guides. From the physiology of insulin to the psychology of behaviour change, from the 120-day carb experiment to the algorithms behind CGM accuracy.
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Technology & Algorithms
How the devices actually work
Deep dives into the engineering and clinical evidence behind CGM accuracy, AID algorithms, and insulin on board.
CGM Calibration in AID
Why accuracy is your algorithm’s airbag. What happens when the CGM is wrong and the AID system is making decisions based on that wrong number.
Read articleGlucose Management
Practical strategies that move the needle
Evidence-based approaches to everyday glucose management; from correction dosing to behaviour change to the simplest intervention of all.
The 20 by 2 Rule
Activity snacking to supercharge insulin and get back in range. The simplest, most underused tool in glucose management.
Read articleBehaviour Change for T1D
New financial year, new you. Five behaviour change principles applied to type 1 diabetes management.
Read articleClinical Deep Dives
Understanding the physiology
Foundational clinical topics explored in depth, with evidence grading.
C-Peptide: What Type of Type 1 Do You Have?
Residual beta-cell function, honeymoon periods, and why C-peptide matters for treatment decisions.
Read articleLifestyle & Real Life
Living with T1D beyond the clinic
Alcohol, substances, food experiments, and the parts of life that textbooks skip.
My 120-Day Carb Experiment
What John learned living it. Four months of tracking every carbohydrate, every bolus, every outcome.
Read articleConference Reports
What the research conferences revealed
Highlights and analysis from the major diabetes technology and research conferences.
EASD 2025: The Technologies That Will Reshape Diabetes Care
CGM as infrastructure, AID scaling across populations, and what changed at EASD 2025 in Vienna.
Read articleATTD 2025 Top 10 Hits
Advanced Technologies and Treatments for Diabetes. The ten presentations that mattered most.
Read articleISPAD 2024: Highlights
Seven takeaways from Lisbon: the pace of screening and prevention research, and early GLP-1 results in paediatric diabetes.
Read articleFAQs & Quick Reference
Common questions, evidence-backed answers
Focused FAQ pages on the topics people ask about most.
Exercise & T1D FAQ
Activity, exercise, and type 1 diabetes: the most common questions answered.
Read FAQSkincare FAQ
Skincare for type 1 diabetes and technology. Adhesive reactions, sites, and barrier products.
Read FAQAdjunctive Therapy in T1D
GLP-1RA and GLP-1/GIP as the third advanced lever alongside CGM and AID.
Open FAQInspiring Stories
Real lives, real resilience
People living with type 1 diabetes sharing their experiences in their own words.
Browse Stories
The full collection of GNL Inspiring Stories from people living with T1D, and the people who support them.
View all stories