Type 2 Diabetes
Type 2 diabetes is one of the most common long-term health conditions seen by general
doctors. It affects how your body uses sugar (glucose), which is your body’s main source of
energy.
To understand diabetes, let’s first understand how sugar works in the body.
How Does Blood Sugar Work Naturally?
When you eat food — especially rice, bread, sweets, fruits, or potatoes — your body breaks it
down into sugar (glucose). This sugar enters your bloodstream.
Your body then uses a hormone called insulin, which is made by the pancreas. Insulin acts
like a “key.” It opens the doors of your cells so sugar can enter and be used for energy.
In Type 2 diabetes:
• Your body does not use insulin properly (this is called insulin
resistance), or
• Your body does not make enough insulin
As a result, sugar stays in the blood instead of entering the cells. This causes high blood sugar
levels.
Who Is At Risk?
Type 2 diabetes is more common in:
• People who are overweight
• People who do not exercise
• Those with unhealthy eating habits
• People over age 40 (but it is now common in younger people too)
• People with a family history of diabetes
• Women who had diabetes during pregnancy
Lifestyle plays a very big role.
What Are The Symptoms?
Some people have no symptoms in the early stages. Others may notice:
• Frequent urination
• Feeling very thirsty
• Increased hunger
• Tiredness
• Blurred vision
• Slow healing of wounds
• Frequent infections (like skin or urine infections)
• Unexplained weight loss (in some cases)
Because symptoms can be mild, many people do not realize they have diabetes until it is
found during a routine blood test.
Why Is It Dangerous?
If blood sugar stays high for a long time, it can damage many organs.
Possible complications include:
• Heart disease
• Stroke
• Kidney damage
• Nerve damage (causing numbness or burning in feet)
• Eye damage (which can lead to blindness)
• Foot problems that may lead to serious infections
The damage happens slowly over years. That is why early control is very important.
How Is It Diagnosed?
Doctors diagnose diabetes with blood tests. Common tests include:
• Fasting blood sugar
• HbA1c (shows average blood sugar over 3 months)
• Random blood sugar test
Your doctor will explain your numbers and what they mean
How Is Type 2 Diabetes Being Treated?
The good news is that Type 2 diabetes can be managed very well.
1. Healthy Eating
You do not need to completely stop eating everything you like. The goal is balance.
Helpful tips:
• Reduce sugary drinks and sweets
• Cut down on white rice and refined flour
• Eat more vegetables
• Choose whole grains
• Control portion sizes
• Avoid overeating
Small changes done consistently work best.
2. Regular Exercise
Exercise helps your body use insulin better.
Even simple activities like:
• Brisk walking for 30 minutes daily
• Cycling
• Swimming
• Light strength training
can greatly improve blood sugar control.
3. Weight Loss
Even losing 5–10% of your body weight can significantly improve diabetes control.
4. Medication
If lifestyle changes are not enough, doctors prescribe tablets. These medicines help:
• Increase insulin production
• Improve insulin action
• Reduce sugar production in the liver
Some people may eventually need insulin injections. This does not mean failure — it simply
means the body needs extra help.
Monitoring Is Important
People with diabetes need regular:
• Blood sugar checks
• HbA1c tests
• Eye exams
• Kidney function tests
• Foot checks
Good monitoring prevents complications.
Can Diabetes Be Cured?
Type 2 diabetes usually cannot be completely cured. However, it can sometimes go into
“remission” if a person loses weight, eats well, and exercises regularly.
Many people live long, healthy lives with proper management.
Preventing Type 2 Diabetes
You can reduce your risk by:
• Maintaining a healthy weight
• Exercising regularly
• Eating a balanced diet
• Avoiding sugary drinks
• Getting regular health checkups
Final Thoughts
Type 2 diabetes is common but manageable. It requires commitment and consistency.
The key message is this:
Daily healthy habits are more powerful than occasional big efforts.
With proper care, support from your doctor, and healthy lifestyle choices, you can control
diabetes and protect your future health.
At Airside Medical Centre, our GP team in Swords, North Dublin is here to provide care, advice, and treatment—even out of hours.
Find us at Airside Medical Centre, 1st Floor Medical Suite, Link Road, Holywell, Swords, Dublin. 
Call us or book online