Diabetes Myths – Blood Sugar and Testing Explained – Prevention.com

Even if you're one of the more than 34 million people with diabetes, according to the Centers for Disease Control and Prevention, there's so much confusing information out there that what's fact and what's gotten oversimplified or distorted isn't quite clear. But knowing how to prevent and treat this condition, the rate of which has doubled in the last 20 years, is key to keeping it under control. And because diabetes dramatically increases your risk of cardiovascular problems such as heart disease and stroke, taking it seriously could save your life.

Check out these diabetes myths and set yourself straight.

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Sugar does not cause diabetes. Being overweight, however, is one of the major risk factors, and foods that are high in added sugar tend to be high in calories. But keep in mind that fat has twice as many calories as sugar, says Matt Petersen, managing director of medical information at the American Diabetes Association. Another potential culprit: eating red meat. If youre at risk, your best bet is to lower your total calorie intake and get those calories from nutrient-rich foods like non-starchy vegetables, whole grains, and low-fat protein and dairy, says Christine Lee, M.D., of the National Institute of Diabetes and Digestive and Kidney Diseases. And when you have a hankering for a sweet, focus on foods with naturally occurring sugar.

Theres a reason type 1 diabetes isnt called juvenile diabetes anymoreyou can get it at any age, says Petersen. Five percent of U.S. adults have been diagnosed with type 1, but sometimes grown-ups are misdiagnosed with the more common type 2, says Sara Pinney, M.D., a pediatric endocrinologist at Childrens Hospital of Philadelphia. The two types of diabetes have different causes: In type 1 diabetes, the body attacks the pancreatic beta cells by mistake, causing them to stop making insulin, the hormone that lowers glucose in the blood, says Dr. Pinney. With type 2, the pancreas makes insulin, but the body doesnt respond well to it. Patients with type 1 need to take insulin to normalize their blood sugar, or they will become very ill. To tell the difference, your doctor may test for certain antibodies in your blood.

Most people dontmany are able to control their diabetes through diet and exercise, oral medication, or a combination of both. Of those with type 2 diabetes, only 40% use insulin, according to the Centers for Disease Control and Prevention. Your need for insulin may change with age, though. Eventually, to keep your blood glucose levels in a healthy range, you might need to use it, Petersen says. And thats OK. Its just that your disease has progressed and now youre taking the best step to manage it. (And if you have type 1 diabetes, you will need to take insulin right from the start.)

It can take monthsor even yearsfor symptoms to get extreme enough for people to figure out on their own that they have type 2 diabetes, says Dr. Pinney. Thats because the most common signs, increased urination and thirst, are easy to overlook or to write off as part of getting older. By the time more noticeable symptoms like blurry vision or tingling hands and feet prompt someone to make a doctors appointment, he or she may have had elevated blood sugars for a long time. An estimated 24% of people with diabetes are undiagnosed, which is why doctors recommend that those with major risk factorssuch as being 45 or older, being overweight, or having a family history of diabeteshave their A1C tested periodically. This simple blood draw will give your doc a snapshot of your blood glucose levels over the past three months and is one way to diagnose diabetes.

Nope! While it may help people lose weight, exercise (even if you dont drop pounds) also increases your insulin sensitivity, which naturally lowers your blood glucose. Studies have shown that a single bout of exercise can improve insulin sensitivity by up to 50% for as long as 72 hours after the sweat session. And even if your weight stays exactly the same, exercise can lower your A1C (long-term glucose levels) and your odds of developing diabetes. Thats because when muscle cells are active, theyre able to take up glucose and use it for energy without needing any insulin, says Petersen. Exercise is kind of a miracle treatment in its own way.

This article originally appeared in the May 2020 issue of Prevention.

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Diabetes Myths - Blood Sugar and Testing Explained - Prevention.com