Guides
Clear, reviewed explanations — from what a single reading means to living with diabetes.
Blood glucose levels
What Is Normal Blood Sugar? Ranges by Time of DayNormal blood sugar is 70–99 mg/dL fasting and under 140 mg/dL two hours after eating. Full chart with mmol/L, targets for people with diabetes and HbA1c.
Blood Glucose Levels Chart (mg/dL and mmol/L)Blood glucose levels chart for fasting, after meals and bedtime — with and without diabetes, in mg/dL and mmol/L, plus what moves your levels.
High Blood Sugar (Hyperglycemia): Levels & SignsWhen blood sugar counts as high, the warning signs of hyperglycemia, when to check ketones and the levels that need urgent medical help.
Low Blood Sugar (Hypoglycemia): Levels & TreatmentHypoglycemia levels 1, 2 and 3, symptoms, the 15-15 rule, glucagon, and why low blood sugar can happen without diabetes.
How to Lower High Blood Glucose QuicklySafe steps to lower high blood glucose: correction insulin, water, a walk — and when not to exercise. Plus the warning signs that need emergency care.
Raise Low Blood Glucose Fast: The 15-15 RuleTreat a low quickly: 15 grams of fast carbs, recheck after 15 minutes, then a snack. What counts as 15 grams, glucagon, and when to call 911.
Blood Glucose Control: How It WorksHow insulin, glucagon and the liver keep blood glucose in range, what goes wrong in diabetes, and the everyday levers that improve control.
Testing & numbers
Diabetes
Diabetes: Types, Symptoms, Diagnosis and TreatmentA clear overview of diabetes: type 1, type 2, LADA and gestational diabetes, warning signs, diagnostic cut-offs, complications and treatment.
Type 1 vs. Type 2 Diabetes: The Key DifferencesType 1 and type 2 diabetes compared side by side: causes, age at onset, symptoms, tests that tell them apart and how treatment differs.
LADA Diabetes (Type 1.5): Signs, Tests, TreatmentLADA is slowly progressing autoimmune diabetes in adults, often mistaken for type 2. Signs, antibody and C-peptide tests, and why treatment differs.
Gestational Diabetes: Screening, Targets and RisksWho is at risk, how the glucose tests at 24–28 weeks work, blood sugar targets during pregnancy, treatment and what it means after birth.
How to Prevent Type 2 DiabetesModest weight loss and 150 minutes of activity a week cut type 2 diabetes risk by more than half. The evidence, practical steps and screening.
Living with diabetes
10 Foods That Help Control Blood SugarTen foods that support steady blood sugar — from non-starchy vegetables to legumes and nuts — and how to build a plate that keeps glucose in range.
Diabetes First Aid: Lows and HighsHow to recognise and help someone with very low or very high blood sugar: sugar if they can swallow, glucagon, recovery position, when to call 911.
10 Common Diabetes Myths — and the FactsDoes sugar cause diabetes? Can people with diabetes eat fruit? Is type 2 "mild"? Ten common myths about type 1 and type 2 diabetes checked against the facts.
Affordable Diabetes Medication: Ways to SavePharmacy programs, the $35 Medicare insulin cap, manufacturer assistance, generics and 90-day supplies — practical ways to lower diabetes medication costs.