Different Harmful Effects of High Blood Sugar

Sugar is important because it’s the kind of fuel your cells use. The levels of sugar in your blood fluctuate all the time, depending on various factors such as what you eat, how much of it you eat and when you eat it. Sometimes something goes wrong and the cells fail to absorb glucose in your blood. This is basically what causes high blood sugar.

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Initially, having high levels of sugar in the blood does not cause any sign or symptom. In fact, one in every four people whose blood sugar levels are higher than normal has no idea that there is an ongoing problem. In the long run, however, all kinds of signs and symptoms show up, many of them are quite serious.

Below you will come across some of the most harmful effects of high blood sugar to your body. Don’t forget to share this article on your various social media sites after checking out its entirety so that your family members and friends may also get to know these dangers.


There are handful of reasons why having elevated blood sugar levels can leave you feeling fatigued all the time. First, your cells are not getting all the sugar they need even though there are actually lots of it in the bloodstream. Second, your heart has to work a lot harder in order to properly circulate blood thickened by too much sugar in it. Third, you may fail to get a good night’s sleep as you tend to pee and feel thirsty a lot at bedtime, which is one of the many signs and symptoms of having high blood sugar.

Loss of Vision

Your retina is what allows you to see. In order for it to work properly, it needs to be supplied with blood that’s rich in oxygen and nutrients. Unfortunately, the blood vessels supplying blood to the retina can be damaged by high levels of sugar. Initially, your vision may become blurry. If high levels of sugar in the blood are poorly managed, it’s not unlikely for you to lose your vision eventually.

Kidney Failure

One of the many functions of your kidneys is to remove waste products and toxins in the blood. If the blood contains excessive amounts of sugar all the time, then the kidneys are overworked. Such can lead to the scarring of their inbuilt filters. When that happens, the kidneys fail to remove everything that’s not supposed to be in the bloodstream and keep everything that’s supposed to be taken back into the bloodstream. Eventually, the kidneys may no longer work, which is something that requires regular dialysis and even kidney transplantation.

Nerve Damage

Health authorities say that one of the many complications of having abnormally high levels of sugar in the blood is what’s called peripheral neuropathy. Simply put, it’s damage to the nerves that are outside of the spine due to constantly increased amounts of blood sugar. The hands, arms, feet and legs are the ones usually affected, causing burning or tingling sensation, and sometimes pain and numbness. If peripheral neuropathy has been around for a long time already, experts say that it will no longer go away.

Heart Attack and Stoke

Experts confirm that having high blood sugar is something that can considerably increase a person’s risk of suffering from a heart attack and stroke. It has something to do with the fact that the blood vessels can get damaged by elevated blood sugar levels, thus cutting off the supply of oxygenated blood to the heart muscles and brain tissue. The good news is controlling one’s sugar effectively can lower risk of heart attack and stroke.

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