The Centers for Disease Control and Prevention estimates there are 1.6 million adults age 20 or older living with type 1 diabetes and using insulin.Įven in people who don’t have diabetes, being overweight brings increased risks for a wide range of serious health conditions, from heart attacks and strokes to certain cancers. People who have type 1 diabetes can no longer produce adequate levels of insulin on their own, and must instead rely on an insulin pump or manual insulin injections. Type 1 diabetes arises when a person’s immune system mistakenly attacks and destroys pancreatic cells that produce insulin, an essential hormone that directs cells to take up glucose from the blood. Unlike type 2 diabetes, which is common in older adults and persons who are overweight or obese, type 1 diabetes is an autoimmune condition that often develops in childhood but also occurs in adults. “Large clinical trials have been done in type 2 diabetes patients to establish guidelines for diet- and exercise-based weight management, and we now need something similar for type 1 diabetes patients.” “The lack of evidence for safe, effective methods of diet- and exercise-based weight control in people with type 1 diabetes may be keeping doctors from recommending such methods,” says study first author Michael Fang, PhD, MHS, assistant professor in the Bloomberg School’s Department of Epidemiology. The researchers also found that half of adults with type 1 diabetes who had overweight or obesity received lifestyle recommendations from health care providers or engaged in lifestyle interventions to control their weight. The authors believe this is likely because the insulin required to treat type 1 diabetes carries the risk of dangerously low blood sugar levels (hypoglycemia) if combined with intense exercise or severely reduced calorie intake. The study is thought to be the first to estimate the prevalence of obesity among Americans with type 1 diabetes using a nationwide, population-based sample-in this case, nearly 130,000 people with and without diabetes. The findings, to be published online February 13 in a research letter in Annals of Internal Medicine, turn on its head the perception that people with type 1 diabetes tend not to be overweight. were affected by overweight or obesity, compared to 64 percent of persons without diabetes and 86 percent of adults with type 2 diabetes. The researchers found that 62 percent of adults with type 1 diabetes in a national sample of the U.S. A new study led by researchers at the Johns Hopkins Bloomberg School of Public Health found that Americans with type 1 diabetes had overweight or obesity at almost the same high rates observed in persons without diabetes.
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