Diabetes Care

Type 2 Diabetes: Early Signs, Prevention and Healthy Eating

Type 2 diabetes is common but often preventable. Learn the early warning signs, who is at risk and the food and lifestyle changes that help.

Type 2 Diabetes: Early Signs, Prevention and Healthy Eating

Type 2 diabetes happens when the body cannot use insulin properly, so sugar builds up in the blood. It develops slowly, and many people have it for years without knowing. The encouraging news: healthy lifestyle changes can prevent or delay it in many people.

Key takeaways

  • Know the early warning signs.
  • Get your blood sugar tested if you are at risk.
  • Diet, activity and weight control make a big difference.

Early warning signs

  • Feeling very thirsty and urinating often
  • Tiredness and low energy
  • Blurred vision
  • Cuts and wounds that heal slowly
  • Tingling or numbness in hands or feet
  • Frequent infections

Who is at higher risk?

  • Age over 35–40
  • Overweight, especially around the waist
  • A parent or sibling with diabetes
  • Low physical activity
  • History of diabetes in pregnancy
  • High blood pressure or cholesterol

Understanding blood sugar tests

TestNormalPrediabetesDiabetes
Fasting blood sugarBelow 100 mg/dL100–125 mg/dL126 mg/dL or higher
HbA1cBelow 5.7%5.7–6.4%6.5% or higher

Healthy eating tips

  • Choose whole grains instead of white rice, white bread and maida
  • Fill half your plate with non-starchy vegetables
  • Avoid sugary drinks, sweets and fruit juices
  • Eat whole fruit in sensible portions
  • Include protein and fibre at every meal to slow sugar spikes

Tip: A 10–15 minute walk after meals helps your muscles use sugar and lowers blood sugar spikes.

Note: This article is for general information only and is not a substitute for professional medical advice. Please talk to your doctor about your own health.

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