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Can Diabetes Cause Brain Fog?

0 2 years ago

This hormone regulates blood sugar, which is important because sugar is a main source of energy for many cells. It’s also essential for the normal functioning of organs, including the brain.

In fact, sugar is the brain’s main source of fuel. So if your blood sugar is out of whack due to diabetes, you may develop brain fog.

Brain fog describes cognitive impairments like:

  • decreased concentration
  • mood swings
  • memory problems

This article will discuss why brain fog occurs with diabetes, as well as ways to cope with this symptom and possibly reverse cognitive impairments.

What causes brain fog with diabetes?

Brain fog often occurs as a response to blood sugar levels that aren’t properly managed — blood sugar that’s too high or too low.

High blood sugar

Insulin helps the sugar in your bloodstream enter the cells of your body. When sugar cannot enter your cells, it accumulates in your bloodstream. This leads to hyperglycemia, or high blood sugar.

High blood sugar can damage your blood vessels, resulting in poor blood circulation. And when there’s insufficient blood circulation in the brain, you might not think as clearly.

Also, too much blood sugar can increase serotonin and neurotransmitters in the brain. These chemicals normally have a positive effect on nerve cells and brain function.

Yet, too much serotonin and increased neurotransmitters can have the opposite effect.


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