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3 signs that your blood sugar is out of control even though your test results are normal

Many people check their blood sugar levels and find that they are fine. However, in reality, there are cases where even though the test results are within the allowable limits, the body still sends signals that the blood sugar is not stable.

Báo Thanh niênBáo Thanh niên20/11/2025

This is because blood sugar testing at a specific time does not reflect abnormal reactions at other times of the day, such as postprandial blood sugar disorders. Therefore, people with diabetes also need to pay attention to the body's warning signs, according to the health website Medical News Today (UK).

3 dấu hiệu đường huyết mất kiểm soát dù kết quả xét nghiệm bình thường - Ảnh 1.

Difficulty concentrating and mental fogginess can be signs that blood sugar fluctuations are affecting cognitive function.

ILLUSTRATION: AI

Even if your blood sugar test results are normal, if the following signs appear, it is likely that your body is not controlling blood sugar well:

Chronic fatigue

Feeling tired all the time even though you have had enough sleep, rested on time, not exercised much, or have unexplained weakness may be due to the glucose in the blood not being absorbed effectively by the cells. The cause is due to poor insulin function.

The result of this condition is high blood glucose levels, which increases blood sugar levels but the cells go into a "starving" state because they do not absorb enough glucose. This is a sign that the body is not controlling blood sugar well.

Craving sweets after meals

After eating, blood sugar levels rise rapidly and then fall rapidly. As a result, we crave sugar and want to eat sweets.

To reduce this condition, people need to reduce the amount of white starch in their meals and replace it with complex starch, protein and good fat. For example, reduce white bread, soft drinks and replace it with potatoes, brown rice, oatmeal with eggs, lean meat and fatty fish. If you have a habit of dessert with sweets, replace cakes and candies with fresh fruit.

Difficulty concentrating

If a person often feels foggy-headed, has difficulty concentrating, or has trouble remembering things, it is not just stress or lack of sleep. Many studies have shown that prediabetes and diabetes both affect cognitive function.

For example, a study in the UK found that people with higher than normal blood sugar levels had a 42% increased risk of cognitive impairment. In addition, the US Centers for Disease Control and Prevention (CDC) also warned that high fluctuations in blood sugar levels, meaning high fluctuations, can affect memory and concentration.

People who have difficulty concentrating due to the effects of fluctuating blood sugar levels need to get 7-8 hours of sleep, reduce stress, and take reasonable breaks from work. Meals should be balanced with complex carbohydrates, protein, fiber, and healthy fats to avoid large fluctuations in blood sugar. If this condition persists, you should check with your doctor, according to Medical News Today .

Source: https://thanhnien.vn/3-dau-hieu-cho-thay-duong-huet-mat-kiem-soat-du-ket-qua-xet-nghiem-binh-thuong-185251119160339756.htm


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