are blood sugar spikes bad?
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Blood sugar spikes occur when your blood sugar rises and then falls sharply after you eat. In the short term, they can cause lethargy and hunger. Over time, your body may not be able to lower blood sugar effectively, which can lead to type 2 diabetes. Diabetes is a rising health problem.
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A high blood insulin level causes a low blood sugar level (hypoglycemia). Hypoglycemia may be mild, leading to symptoms such as anxiety and hunger. Or it can be severe, leading to seizures, coma, and even death. Insulinomas are very rare tumors.
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A low blood sugar, also called hypoglycaemia or a "hypo", is where the level of sugar (glucose) in your blood drops too low. It mainly affects people with diabetes, especially if you take insulin. A low blood sugar can be dangerous if it's not treated promptly, but you can usually treat it easily yourself.
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Insulin allows sugar to enter your cells, causing your blood sugar level to drop. If your blood sugar level drops too quickly, you can develop low blood sugar. Low potassium (hypokalemia). The fluids and insulin used to treat diabetic ketoacidosis can cause your potassium level to drop too low.
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Over time, high blood sugar can lead to inflammation, posing problems that range from cardiovascular disease to nerve damage, poor circulation, and various infections. (It's why eating a high-sugar diet can be dangerous — and why diabetes, a disease marked by high blood sugar levels, can be deadly when left untreated.)
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A blood sugar level below 70 mg/dL (3.9 mmol/L) is low and can harm you. A blood sugar level below 54 mg/dL (3.0 mmol/L) is a cause for immediate action. You are at risk for low blood sugar if you have diabetes and are taking any of the following diabetes medicines: Insulin.
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Too much insulin or not enough food before bed: During the night, a person's blood sugar level may drop too low. The body responds by releasing hormones to raise this level. A low insulin dose in the evening: If a person takes too little insulin at night, they may have high blood sugar in the morning.
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The excess blood sugar in diabetes can wreak havoc on blood vessels all over the body and cause complications. It can severely damage the eyes, kidneys, nerves, and other body parts; cause sexual problems; and double the risk of heart attack and stroke.
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If blood glucose levels remain high for extended periods of time over a number of years, the blood vessels which feed the nerves can become damaged and can lead to the nerves themselves becoming damaged. Damage to the nerves can lead to loss of feeling in extremities such as the hands and lower legs.
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Researchers think that over time, uncontrolled high blood sugar damages nerves and interferes with their ability to send signals, leading to diabetic neuropathy. High blood sugar also weakens the walls of the small blood vessels (capillaries) that supply the nerves with oxygen and nutrients.
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Learn more about high blood sugar in the morning. Hypoglycemia can occur when a person takes too much insulin or does not eat enough food. It can lead to serious complications, including insulin shock. Both hyperglycemia and hypoglycemia can make a person feel nauseated.
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This causes a host of symptoms and related complications, some of which can be life-threatening. A common symptom of high or low blood glucose is a headache. Headaches alone aren't harmful, but they can signal that your blood sugar is out of its target range. If you have frequent headaches, diabetes may be to blame.
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If your blood sugar levels are consistently high (usually above 20 mmol/L in adults and above 14 mmol/L in children), you may have moderate to severe symptoms of high blood sugar. These symptoms include: Blurred vision. Extreme thirst.
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The hormone insulin lowers blood sugar levels when blood sugar is too high. If you have type 1 or type 2 diabetes and need insulin to control your blood sugar, taking more insulin than you need can cause your blood sugar level to drop too low and result in hypoglycemia.
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High blood sugar, or hyperglycemia, is a major concern, and can affect people with both type 1 and type 2 diabetes . There are two main kinds: Fasting hyperglycemia. This is blood sugar that's higher than 130 mg/dL (milligrams per deciliter) after not eating or drinking for at least 8 hours.
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High blood sugar usually develops slowly over a period of hours, but may rise quickly if overeating simple sugars, such as dessert-type foods. Low blood sugar occurs when the sugar (glucose) level in your blood drops below what your body needs.
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It won't cause spikes in blood sugar Part of what makes avocados a good choice for people with diabetes is that, although they are low in carbs, they are high in fiber. Many other high-fiber foods may still spike blood sugar levels.