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Blood Sugar Explained: Causes, Levels & Control Tips | Asian Labs

Blood Sugar: What It Is, Why It Matters, and How to Manage It

Blood sugar, also called blood glucose, is the main source of energy for the body. It comes from the food you eat—especially carbohydrates—and is carried through the bloodstream to your cells, where it is used as fuel. Maintaining the right blood sugar level is essential for overall health, energy, and organ function.

1. What Is Blood Sugar?

Blood sugar refers to the amount of glucose present in your blood at any given time. Glucose is produced when your body breaks down carbohydrates from foods like:-

  • Rice, roti, bread
  • Fruits
  • Sugary foods and drinks
  • Milk and dairy products

Blood sugar refers to the amount of glucose present in your blood at any given time. Glucose is produced when your body breaks down carbohydrates from foods like:-

2. What Is Blood Sugar?

Your body needs a steady supply of glucose to function properly. Balanced blood sugar levels help:

  • Maintain energy throughout the day
  • Keep organs working efficiently
  • Support brain function
  • Prevent fatigue and mood swings

When blood sugar is too high or too low, it can lead to serious health problems.

3. Normal Blood Sugar Levels

For most healthy adults:

Test Type
Normal Range
Fasting (before food)
70–99 mg/dL
After meals (2 hours)
Below 140 mg/dL
HbA1c (3-month average)
Below 5.7%

Levels higher than normal may indicate prediabetes or diabetes.

4. What Causes High Blood Sugar?

High blood sugar, or hyperglycemia, can occur due to:

  • Eating too many sugary or refined foods
  • Lack of physical activity
  • Stress or illness
  • Certain medications
  • Insulin resistance or diabetes

Common Symptoms

  • Frequent urination
  • Increased thirst
  • Fatigue
  • Blurred vision
  • Slow wound healing

5. What Causes Low Blood Sugar?

Low blood sugar, or hypoglycemia, may happen because of:

  • Skipping meals
  • Taking too much diabetes medication or insulin
  • Excessive exercise
  • Drinking alcohol on an empty stomach

Common Symptoms

  • Shakiness
  • Sweating
  • Dizziness
  • Hunger
  • Confusion

6. When Should You Check Your Blood Sugar?

You should monitor blood sugar if:

  • You have diabetes or prediabetes
  • You experience symptoms like fatigue or frequent urination
  • You are overweight or have a family history of diabetes
  • Your doctor recommends regular monitoring

Common testing times:

  • Before breakfast (fasting)
  • Before meals
  • Two hours after meals
  • Before bedtime

How to Control Blood Sugar Naturally

1) Eat a Balanced Diet

  • Choose whole grains over refined flour
  • Eat more vegetables, fruits, and fiber
  • Limit sugar and processed foods

2) Exercise Regularly

  • Walk for at least 30 minutes daily
  • Try yoga, cycling, or light workouts

3) Maintain a Healthy Weight

  • Losing even a small amount of excess weight can improve blood sugar control.

4) Stay Hydrated

  • Drink enough water to help your body flush out excess sugar.

5) Get Enough Sleep

  • Poor sleep can affect insulin function and raise blood sugar.

Medical Treatment for High Blood Sugar

If lifestyle changes are not enough, doctors may prescribe:

  • Oral diabetes medications
  • Insulin therapy
  • Regular blood sugar monitoring

Always follow your doctor’s advice for treatment.

When to See a Doctor

Consult a doctor if you experience:

  • Persistent high blood sugar readings
  • Frequent thirst or urination
  • Sudden weight loss
  • Numbness or tingling in hands and feet

Early diagnosis can prevent complications.

To book your Sugar Test test, please Click here.

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