Diabetes mellitus refers to a group of diseases that affect how your body uses blood sugar (glucose). Glucose is vital to your health because it's an important source of energy for the cells that make up your muscles and tissues. It's also your brain's main source of fuel.
If you have diabetes, no matter what type, it means you have too much glucose in your blood, although the causes may differ. Too much glucose can lead to serious health problems.
Chronic diabetes conditions include type 1 diabetes and type 2 diabetes. Potentially reversible diabetes conditions include prediabetes when your blood sugar levels are higher than normal, but not high enough to be classified as diabetes and gestational diabetes, which occurs during pregnancy but may resolve after the baby is delivered.
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Insulin is a hormone that comes from a gland situated behind and below the stomach (pancreas).
The pancreas secretes insulin into the bloodstream.
The insulin circulates, enabling sugar to enter your cells.
Insulin lowers the amount of sugar in your bloodstream.
As your blood sugar level drops, so does the secretion of insulin from your pancreas.
Glucose a sugar is a source of energy for the cells that make up muscles and other tissues.
Glucose comes from two major sources: food and your liver.
Sugar is absorbed into the bloodstream, where it enters cells with the help of insulin.
Your liver stores and makes glucose.
When your glucose levels are low, such as when you haven't eaten in a while, the liver breaks down stored glycogen into glucose to keep your glucose level within a normal range.
The exact cause of type 1 diabetes is unknown. What is known is that your immune system which normally fights harmful bacteria or viruses attacks and destroys your insulin-producing cells in the pancreas. This leaves you with little or no insulin. Instead of being transported into your cells, sugar builds up in your bloodstream.
Type 1 is thought to be caused by a combination of genetic susceptibility and environmental factors, though exactly what many of those factors are is still unclear.
In prediabetes which can lead to type 2 diabetes and in type 2 diabetes, your cells become resistant to the action of insulin, and your pancreas is unable to make enough insulin to overcome this resistance. Instead of moving into your cells where it's needed for energy, sugar builds up in your bloodstream.
Exactly why this happens is uncertain, although it's believed that genetic and environmental factors play a role in the development of type 2 diabetes. Being overweight is strongly linked to the development of type 2 diabetes, but not everyone with type 2 is overweight.
During pregnancy, the placenta produces hormones to sustain your pregnancy. These hormones make your cells more resistant to insulin.
Normally, your pancreas responds by producing enough extra insulin to overcome this resistance. But sometimes your pancreas can't keep up. When this happens, too little glucose gets into your cells and too much stays in your blood, resulting in gestational diabetes.
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Risk factors for diabetes depend on the type of diabetes.
Although the exact cause of type 1 diabetes is unknown, factors that may signal an increased risk include:
Family history. Your risk increases if a parent or sibling has type 1 diabetes.
Environmental factors. Circumstances such as exposure to a viral illness likely play some role in type 1 diabetes.
The presence of damaging immune system cells (autoantibodies). Sometimes family members of people with type 1 diabetes are tested for the presence of diabetes autoantibodies. If you have these autoantibodies, you have an increased risk of developing type 1 diabetes. But not everyone who has these autoantibodies develops diabetes.
Dietary factors. These include low vitamin D consumption, early exposure to cow's milk or cow's milk formula, and exposure to cereals before 4 months of age. None of these factors has been shown to directly cause type 1 diabetes.
Geography. Certain countries, such as Finland and Sweden, have higher rates of type 1 diabetes.
Researchers don't fully understand why some people develop prediabetes and type 2 diabetes and others don't. It's clear that certain factors increase the risk, however, including:
Weight. The more fatty tissue you have, the more resistant your cells become to insulin.
Inactivity. The less active you are, the greater your risk. Physical activity helps you control your weight, uses up glucose as energy and makes your cells more sensitive to insulin.
Family history. Your risk increases if a parent or sibling has type 2 diabetes.
Race. Although it's unclear why, people of certain races including blacks, Hispanics, American Indians and Asian-Americans are at higher risk.
Age. Your risk increases as you get older. This may be because you tend to exercise less, lose muscle mass and gain weight as you age. But type 2 diabetes is also increasing dramatically among children, adolescents and younger adults.
Gestational diabetes. If you developed gestational diabetes when you were pregnant, your risk of developing prediabetes and type 2 diabetes later increases. If you gave birth to a baby weighing more than 9 pounds (4 kilograms), you're also at risk of type 2 diabetes.
Polycystic ovary syndrome. For women, having polycystic ovary syndrome — a common condition characterized by irregular menstrual periods, excess hair growth and obesity increases the risk of diabetes.
High blood pressure. Having blood pressure over 140/90 millimeters of mercury (mm Hg) is linked to an increased risk of type 2 diabetes.
Abnormal cholesterol and triglyceride levels. If you have low levels of high-density lipoprotein (HDL), or "good," cholesterol, your risk of type 2 diabetes is higher. Triglycerides are another type of fat carried in the blood. People with high levels of triglycerides have an increased risk of type 2 diabetes. Your doctor can let you know what your cholesterol and triglyceride levels are.
Any pregnant woman can develop gestational diabetes, but some women are at greater risk than are others. Risk factors for gestational diabetes include:
Age. Women older than age 25 are at increased risk.
Family or personal history. Your risk increases if you have prediabetes a precursor to type 2 diabetes or if a close family member, such as a parent or sibling, has type 2 diabetes. You're also at greater risk if you had gestational diabetes during a previous pregnancy, if you delivered a very large baby or if you had an unexplained stillbirth.
Weight. Being overweight before pregnancy increases your risk.
Race. For reasons that aren't clear, women who are black, Hispanic, American Indian or Asian are more likely to develop gestational diabetes.
-Long-term complications of diabetes develop gradually. The longer you have diabetes and the less controlled your blood sugar the higher the risk of complications. Eventually, diabetes complications may be disabling or even life-threatening. Possible complications include:
-Cardiovascular disease. Diabetes dramatically increases the risk of various cardiovascular problems, including coronary artery disease with chest pain (angina), heart attack, stroke and narrowing of arteries (atherosclerosis). If you have diabetes, you are more likely to have heart disease or stroke.
-Nerve damage (neuropathy). Excess sugar can injure the walls of the tiny blood vessels (capillaries) that nourish your nerves, especially in your legs. This can cause tingling, numbness, burning or pain that usually begins at the tips of the toes or fingers and gradually spreads upward. Left untreated, you could lose all sense of feeling in the affected limbs. Damage to the nerves related to digestion can cause problems with nausea, vomiting, diarrhea or constipation. For men, it may lead to erectile dysfunction.
-Kidney damage (nephropathy). The kidneys contain millions of tiny blood vessel clusters (glomeruli) that filter waste from your blood. Diabetes can damage this delicate filtering system. Severe damage can lead to kidney failure or irreversible end-stage kidney disease, which may require dialysis or a kidney transplant.
-Eye damage (retinopathy). Diabetes can damage the blood vessels of the retina (diabetic retinopathy), potentially leading to blindness. Diabetes also increases the risk of other serious vision conditions, such as cataracts and glaucoma.
-blisters can develop serious infections, which often heal poorly. These infections may ultimately require toe, foot or leg amputation.
-Skin conditions. Diabetes may leave you more susceptible to skin problems, including bacterial and fungal infections.
-Hearing impairment. Hearing problems are more common in people with diabetes.
-Alzheimer's disease. Type 2 diabetes may increase the risk of Alzheimer's disease. The poorer your blood sugar control, the greater the risk appears to be. Although there are theories as to how these disorders might be connected, none has yet been proved.
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Most women who have gestational diabetes deliver healthy babies. However, untreated or uncontrolled blood sugar levels can cause problems for you and your baby.
Complications in your baby can occur as a result of gestational diabetes, including:
Excess growth. Extra glucose can cross the placenta, which triggers your baby's pancreas to make extra insulin. This can cause your baby to grow too large (macrosomia). Very large babies are more likely to require a C-section birth.
Low blood sugar. Sometimes babies of mothers with gestational diabetes develop low blood sugar (hypoglycemia) shortly after birth because their own insulin production is high. Prompt feedings and sometimes an intravenous glucose solution can return the baby's blood sugar level to normal.
Type 2 diabetes later in life. Babies of mothers who have gestational diabetes have a higher risk of developing obesity and type 2 diabetes later in life.
Death. Untreated gestational diabetes can result in a baby's death either before or shortly after birth.
Complications in the mother can also occur as a result of gestational diabetes, including:
Preeclampsia. This condition is characterized by high blood pressure, excess protein in the urine, and swelling in the legs and feet. Preeclampsia can lead to serious or even life-threatening complications for both mother and baby.
Subsequent gestational diabetes. Once you've had gestational diabetes in one pregnancy, you're more likely to have it again with the next pregnancy. You're also more likely to develop diabetes typically type 2 diabetes as you get older.
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Type 1 diabetes can't be prevented. However, the same healthy lifestyle choices that help treat prediabetes, type 2 diabetes and gestational diabetes can also help prevent them:
Eat healthy foods. Choose foods lower in fat and calories and higher in fiber. Focus on fruits, vegetables and whole grains. Strive for variety to prevent boredom.
Get more physical activity. Aim for 30 minutes of moderate physical activity a day. Take a brisk daily walk. Ride your bike. Swim laps. If you can't fit in a long workout, break it up into smaller sessions spread throughout the day.
Lose excess pounds. If you're overweight, losing even 7 percent of your body weight for example, 14 pounds (6.4 kilograms) if you weigh 200 pounds (90.9 kilograms) can reduce the risk of diabetes. To keep your weight in a healthy range, focus on permanent changes to your eating and exercise habits. Motivate yourself by remembering the benefits of losing weight, such as a healthier heart, more energy and improved self-esteem.
Sometimes medication is an option as well. Oral diabetes drugs such as metformin (Glucophage, Glumetza, others) may reduce the risk of type 2 diabetes — but healthy lifestyle choices remain essential.
Have your blood sugar checked at least once a year to check that you haven't developed type 2 diabetes.
You're likely to start by seeing your primary care doctor if you're having diabetes symptoms. If your child is having diabetes symptoms, you might see your child's pediatrician. If blood sugar levels are extremely high, you'll likely be sent to the emergency room.
If blood sugar levels aren't high enough to put you or your child immediately at risk, you may be referred to a doctor who specializes in diabetes, among other disorders (endocrinologist). Soon after diagnosis, you'll also likely meet with a diabetes educator and a dietitian to get more information on managing your diabetes.
Here's some information to help you get ready for your appointment and to know what to expect.
Be aware of any pre-appointment restrictions. When you make the appointment, ask if you need to do anything in advance. This will likely include restricting your diet, such as for a fasting blood sugar test.
-Write down any symptoms you're experiencing, including any that may seem unrelated.
-Write down key personal information, including major stresses or recent life changes. If you're monitoring your glucose values at home, bring a record of the glucose results, detailing the dates and times of testing.
-Make a list of any allergies you have and all medications, vitamins and supplements you're taking.
-Record your family medical history. In particular, note any relatives who have had diabetes, heart attacks or strokes.
-Take a family member or friend, if possible. Someone who accompanies you can help you remember information you need.
-Write down questions to ask your doctor. Ask about aspects of your diabetes management you're unclear about.
-Be aware if you need any prescription refills. Your doctor can renew your prescriptions while you're there.
Preparing a list of questions can help you make the most of your time with your doctor. For diabetes, some questions to ask include:
Are the symptoms I'm having related to diabetes or something else?
Do I need any tests?
What else can I do to protect my health?
What are other options to manage my diabetes?
I have other health conditions. How can I best manage these conditions together?
Are there restrictions I need to follow?
Should I see another specialist, such as a dietitian or diabetes educator?
Is there a generic alternative to the medicine you're prescribing?
Are there brochures or other printed material I can take with me? What websites do you recommend?
Here are 15 easy ways to lower blood sugar levels naturally:
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.
There is no cure for diabetes, but it can go into remission. People can manage it with medication and lifestyle changes. This means that people with type 1 diabetes do not make insulin. Without insulin, the body cannot regulate the amount of glucose in the blood.
There is no cure for diabetes. During the "honeymoon period" diabetes may appear to go away for a period of a few months to a year. The patient's insulin needs are minimal and some patients may actually find they can maintain normal or near normal blood glucose taking little or no insulin.
Diabetes & Diet: 7 Foods That Control Blood Sugar
Raw, Cooked, or Roasted Vegetables. These add color, flavor, and texture to a meal.
Greens. Go beyond your regular salad and try kale, spinach, and chard.
Flavorful, Low-calorie Drinks.
Melon or Berries.
Whole-grain, Higher-fiber Foods.
A Little Fat.
Can drinking a lot of water lower your blood sugar? dilute your blood sugar levels if you are already fully hydrated. However, being dehydrated can cause blood sugars to concentrate and subsequently rise. Drinking water can lower blood sugar levels by diluting the amount of glucose (sugar) in the blood stream.
Here, coma and death can occur simply because the blood sugar is so high. ... HHS usually occurs with blood sugar readings above 700 mg/dl (40 mmol) as the brain and other functions begin to shut down. When insulin levels are low, the body cannot use glucose present at high levels in the blood.
High levels of blood glucose can cause a range of symptoms, from exhaustion to heart disease. One way to control blood sugar is to eat a healthful diet.
Whole wheat bread.
Sweet potatoes and yams.
Oatmeal and oat bran.
Therefore, it's important to avoid the foods listed below.
Sugar-Sweetened Beverages. Sugary beverages are the worst drink choice for someone with diabetes.
White Bread, Pasta and Rice.
Sweetened Breakfast Cereals.
Flavored Coffee Drinks.
Honey, Agave Nectar and Maple Syrup.
Metformin may help prevent long-term health complications from type 2 diabetes. But you may be able to stop taking it if your doctor thinks you can maintain your blood sugar without it.
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